{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,15]],"date-time":"2026-08-15T02:43:31Z","timestamp":1786761811410,"version":"build-2736575974"},"reference-count":84,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"funder":[{"DOI":"10.13039\/501100000269","name":"Economic and Social Research Council","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100000269","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Schizophrenia Research"],"published-print":{"date-parts":[[2021,1]]},"DOI":"10.1016\/j.schres.2020.06.027","type":"journal-article","created":{"date-parts":[[2020,7,6]],"date-time":"2020-07-06T17:18:31Z","timestamp":1594055911000},"page":"81-91","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":43,"special_numbering":"C","title":["Sleep disturbances and the At Risk Mental State: A systematic review and meta-analysis"],"prefix":"10.1016","volume":"227","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1117-2292","authenticated-orcid":false,"given":"Latoya","family":"Clarke","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0575-0789","authenticated-orcid":false,"given":"Katharine","family":"Chisholm","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francesco P.","family":"Cappuccio","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicole K.Y.","family":"Tang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michelle A.","family":"Miller","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Farah","family":"Elahi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrew D.","family":"Thompson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"8","key":"10.1016\/j.schres.2020.06.027_bb0005","doi-asserted-by":"crossref","first-page":"800","DOI":"10.1176\/appi.ajp.2011.10081191","article-title":"At clinical high risk for psychosis: outcome for nonconverters","volume":"168","author":"Addington","year":"2011","journal-title":"Am. J. Psychiatr."},{"issue":"1","key":"10.1016\/j.schres.2020.06.027_bb0010","doi-asserted-by":"crossref","first-page":"62","DOI":"10.1016\/j.psychres.2010.12.031","article-title":"Schizophrenia patients with predominantly positive symptoms have more disturbed sleep\u2013wake cycles measured by actigraphy","volume":"189","author":"Afonso","year":"2011","journal-title":"Psychiatry Res."},{"issue":"6","key":"10.1016\/j.schres.2020.06.027_bb0015","doi-asserted-by":"crossref","first-page":"467","DOI":"10.1111\/eip.12128","article-title":"Negative symptoms and impaired social functioning predict later psychosis in L atino youth at clinical high risk in the North American prodromal longitudinal studies consortium","volume":"9","author":"Alderman","year":"2015","journal-title":"Early Intervention in Psychiatry"},{"key":"10.1016\/j.schres.2020.06.027_bb0020","doi-asserted-by":"crossref","first-page":"61","DOI":"10.2147\/NSS.S34842","article-title":"Sleep disturbance in mental health problems and neurodegenerative disease","volume":"5","author":"Anderson","year":"2013","journal-title":"J Nature Science of Sleep"},{"key":"10.1016\/j.schres.2020.06.027_bb0025","doi-asserted-by":"crossref","first-page":"112857","DOI":"10.1016\/j.psychres.2020.112857","article-title":"Sleep disturbance and sleep-related impairment in psychotic disorders are related to both positive and negative symptoms","volume":"286","author":"Blanchard","year":"2020","journal-title":"Psychiatry Res."},{"issue":"3","key":"10.1016\/j.schres.2020.06.027_bb0030","doi-asserted-by":"crossref","first-page":"276","DOI":"10.1017\/S1352465817000601","article-title":"Treating sleep problems in young people at ultra-high risk of psychosis: a feasibility case series","volume":"46","author":"Bradley","year":"2018","journal-title":"Behav. Cogn. Psychother."},{"issue":"2","key":"10.1016\/j.schres.2020.06.027_bb0035","doi-asserted-by":"crossref","first-page":"193","DOI":"10.1016\/0165-1781(89)90047-4","article-title":"The Pittsburgh Sleep Quality Index: a new instrument for psychiatric practice and research","volume":"28","author":"Buysse","year":"1989","journal-title":"Psychiatry Res."},{"issue":"11","key":"10.1016\/j.schres.2020.06.027_bb0040","doi-asserted-by":"crossref","first-page":"1133","DOI":"10.1001\/jamapsychiatry.2013.1909","article-title":"Prediction of functional outcome in individuals at clinical high risk for psychosis","volume":"70","author":"Carri\u00f3n","year":"2013","journal-title":"JAMA Psychiatry"},{"issue":"1\u20132","key":"10.1016\/j.schres.2020.06.027_bb0045","doi-asserted-by":"crossref","first-page":"50","DOI":"10.1016\/j.schres.2015.07.024","article-title":"Circadian rest\u2013activity rhythm in individuals at risk for psychosis and bipolar disorder","volume":"168","author":"Castro","year":"2015","journal-title":"Schizophr. Res."},{"issue":"11","key":"10.1016\/j.schres.2020.06.027_bb0050","doi-asserted-by":"crossref","first-page":"939","DOI":"10.2165\/00023210-200822110-00004","article-title":"Sleep disturbances in patients with schizophrenia","volume":"22","author":"Cohrs","year":"2008","journal-title":"J CNS Drugs"},{"key":"10.1016\/j.schres.2020.06.027_bb0055","doi-asserted-by":"crossref","first-page":"204","DOI":"10.1016\/j.schres.2017.06.058","article-title":"The interaction between subclinical psychotic experiences, insomnia and objective measures of sleep","volume":"193","author":"Cosgrave","year":"2018","journal-title":"Schizophr. Res."},{"issue":"2\u20133","key":"10.1016\/j.schres.2020.06.027_bb0060","doi-asserted-by":"crossref","first-page":"267","DOI":"10.1016\/j.schres.2014.09.012","article-title":"What drives poor functioning in the at-risk mental state? A systematic review","volume":"159","author":"Cotter","year":"2014","journal-title":"Schizophr. Res."},{"key":"10.1016\/j.schres.2020.06.027_bb0065","doi-asserted-by":"crossref","first-page":"25","DOI":"10.1016\/j.smrv.2016.01.001","article-title":"A systematic review of the nature and correlates of sleep disturbance in early psychosis","volume":"31","author":"Davies","year":"2017","journal-title":"Sleep Med. Rev."},{"issue":"6","key":"10.1016\/j.schres.2020.06.027_bb0070","first-page":"377","article-title":"The feasibility of creating a checklist for the assessment of the methodological quality both of randomised and non-randomised studies of health care interventions","volume":"52","author":"Downs","year":"1998","journal-title":"Journal of Epidemiology"},{"key":"10.1016\/j.schres.2020.06.027_bb0075","doi-asserted-by":"crossref","first-page":"284","DOI":"10.3389\/fpsyt.2019.00284","article-title":"Use of the Pittsburgh Sleep Quality Index (PSQI) in people with schizophrenia spectrum disorders: a mixed methods study","volume":"10","author":"Faulkner","year":"2019","journal-title":"Frontiers in Psychiatry"},{"issue":"1","key":"10.1016\/j.schres.2020.06.027_bb0080","doi-asserted-by":"crossref","first-page":"51","DOI":"10.1016\/0891-4222(94)00028-8","article-title":"Quality of life: its definition and measurement","volume":"16","author":"Felce","year":"1995","journal-title":"Res. Dev. Disabil."},{"issue":"3","key":"10.1016\/j.schres.2020.06.027_bb0085","doi-asserted-by":"crossref","first-page":"483","DOI":"10.1176\/ajp.2007.164.3.483","article-title":"Reduced sleep spindle activity in schizophrenia patients","volume":"164","author":"Ferrarelli","year":"2007","journal-title":"Am. J. Psychiatr."},{"issue":"11","key":"10.1016\/j.schres.2020.06.027_bb0090","doi-asserted-by":"crossref","first-page":"975","DOI":"10.1016\/S2215-0366(15)00314-4","article-title":"Efficacy of cognitive behavioural therapy for sleep improvement in patients with persistent delusions and hallucinations (BEST): a prospective, assessor-blind, randomised controlled pilot trial","volume":"2","author":"Freeman","year":"2015","journal-title":"Lancet Psychiatry"},{"issue":"10","key":"10.1016\/j.schres.2020.06.027_bb0095","doi-asserted-by":"crossref","first-page":"749","DOI":"10.1016\/S2215-0366(17)30328-0","article-title":"The effects of improving sleep on mental health (OASIS): a randomised controlled trial with mediation analysis","volume":"4","author":"Freeman","year":"2017","journal-title":"Lancet Psychiatry"},{"issue":"3","key":"10.1016\/j.schres.2020.06.027_bb0100","doi-asserted-by":"crossref","first-page":"198","DOI":"10.1192\/bjp.bp.114.157115","article-title":"Disorder, not just state of risk: meta-analysis of functioning and quality of life in people at high risk of psychosis","volume":"207","author":"Fusar-Poli","year":"2015","journal-title":"Br. J. Psychiatry"},{"key":"10.1016\/j.schres.2020.06.027_bb0105","doi-asserted-by":"crossref","first-page":"49","DOI":"10.1016\/j.eurpsy.2016.11.010","article-title":"Long-term validity of the At Risk Mental State (ARMS) for predicting psychotic and non-psychotic mental disorders","volume":"42","author":"Fusar-Poli","year":"2017","journal-title":"European Psychiatry"},{"issue":"5","key":"10.1016\/j.schres.2020.06.027_bb0110","doi-asserted-by":"crossref","first-page":"564","DOI":"10.1016\/j.sleep.2014.12.022","article-title":"Impairment of sleep-related memory consolidation in schizophrenia: relevance of sleep spindles?","volume":"16","author":"G\u00f6der","year":"2015","journal-title":"Sleep Med."},{"key":"10.1016\/j.schres.2020.06.027_bb0115","doi-asserted-by":"crossref","DOI":"10.1016\/j.psychres.2019.112492","article-title":"Sleep problems and attenuated psychotic symptoms in youth at clinical high-risk for psychosis","volume":"282","author":"Goines","year":"2019","journal-title":"Psychiatry Res."},{"key":"10.1016\/j.schres.2020.06.027_bb0120","doi-asserted-by":"crossref","first-page":"549","DOI":"10.1016\/j.schres.2017.09.006","article-title":"Impact of lifetime traumatic experiences on suicidality and likelihood of conversion in a cohort of individuals at clinical high-risk for psychosis","volume":"195","author":"Grivel","year":"2018","journal-title":"Schizophr. Res."},{"issue":"2","key":"10.1016\/j.schres.2020.06.027_bb0125","doi-asserted-by":"crossref","first-page":"225","DOI":"10.1016\/j.cpr.2010.04.003","article-title":"Sleep disturbance as transdiagnostic: consideration of neurobiological mechanisms","volume":"31","author":"Harvey","year":"2011","journal-title":"Clin. Psychol. Rev."},{"key":"10.1016\/j.schres.2020.06.027_bb0130","series-title":"Cochrane Handbook for Systematic Reviews of Interventions: Cochrane Book Series","first-page":"187","article-title":"Assessing risk of bias in included studies","author":"Higgins","year":"2008"},{"issue":"1","key":"10.1016\/j.schres.2020.06.027_bb0135","doi-asserted-by":"crossref","first-page":"13","DOI":"10.1186\/1471-244X-5-13","article-title":"Quality of sleep in patients with schizophrenia is associated with quality of life and coping","volume":"5","author":"Hofstetter","year":"2005","journal-title":"BMC Psychiatry"},{"issue":"4","key":"10.1016\/j.schres.2020.06.027_bb0140","doi-asserted-by":"crossref","first-page":"210","DOI":"10.1177\/0145482X0910300404","article-title":"Effectiveness of assistive technologies for low vision rehabilitation: a systematic review","volume":"103","author":"Jutai","year":"2009","journal-title":"Journal of Visual Impairment & Blindness"},{"key":"10.1016\/j.schres.2020.06.027_bb0145","doi-asserted-by":"crossref","first-page":"227","DOI":"10.2147\/NSS.S121076","article-title":"Schizophrenia and sleep disorders: links, risks, and management challenges","volume":"9","author":"Kaskie","year":"2017","journal-title":"Nature and Science of Sleep"},{"issue":"3","key":"10.1016\/j.schres.2020.06.027_bb4000","first-page":"139","article-title":"Quality of life in mental disorders: challenges for research and clinical practice","volume":"5","author":"Katschnig","year":"2006","journal-title":"World Psychiatry"},{"issue":"1\u20133","key":"10.1016\/j.schres.2020.06.027_bb0150","doi-asserted-by":"crossref","first-page":"231","DOI":"10.1016\/j.schres.2011.05.027","article-title":"Sleep correlates of cognition in early course psychotic disorders","volume":"131","author":"Keshavan","year":"2011","journal-title":"Schizophr. Res."},{"key":"10.1016\/j.schres.2020.06.027_bb0155","series-title":"Sleep Disturbances in Schizophrenia Spectrum and Bipolar Disorders\u2013A Transdiagnostic Perspective","first-page":"6","volume":"91","author":"Laskemoen","year":"2019"},{"key":"10.1016\/j.schres.2020.06.027_bb0160","doi-asserted-by":"crossref","first-page":"424","DOI":"10.1016\/j.psychres.2017.08.034","article-title":"Modifiable cardiometabolic risk factors in youth with at-risk mental states: a cross-sectional pilot study","volume":"257","author":"Lederman","year":"2017","journal-title":"Psychiatry Res."},{"issue":"1","key":"10.1016\/j.schres.2020.06.027_bb0165","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/j.schres.2011.06.014","article-title":"Neurocognitive predictors of functional outcome two to 13 years after identification as ultra-high risk for psychosis","volume":"132","author":"Lin","year":"2011","journal-title":"Schizophr. Res."},{"issue":"2","key":"10.1016\/j.schres.2020.06.027_bb0170","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1111\/eip.12218","article-title":"Suicidality, self-harm and psychotic-like symptoms in a general adolescent psychiatric sample","volume":"11","author":"Lindgren","year":"2017","journal-title":"Early Intervention in Psychiatry"},{"issue":"1","key":"10.1016\/j.schres.2020.06.027_bb0175","doi-asserted-by":"crossref","first-page":"75","DOI":"10.1002\/cpp.693","article-title":"Inter-rater reliability of the Structured Clinical Interview for DSM-IV Axis I disorders (SCID I) and Axis II disorders (SCID II)","volume":"18","author":"Lobbestael","year":"2011","journal-title":"Clinical Psychology Psychotherapy"},{"issue":"1","key":"10.1016\/j.schres.2020.06.027_bb0180","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1016\/j.jad.2013.01.014","article-title":"A review of lifestyle factors that contribute to important pathways associated with major depression: diet, sleep and exercise","volume":"148","author":"Lopresti","year":"2013","journal-title":"J. Affect. Disord."},{"issue":"3","key":"10.1016\/j.schres.2020.06.027_bb0185","doi-asserted-by":"crossref","first-page":"291","DOI":"10.1111\/cpsp.12041","article-title":"Sleep dysfunction prior to the onset of schizophrenia: a review and neurodevelopmental diathesis\u2013stress conceptualization","volume":"20","author":"Lunsford-Avery","year":"2013","journal-title":"Clin. Psychol. Sci. Pract."},{"issue":"1\u20133","key":"10.1016\/j.schres.2020.06.027_bb0190","doi-asserted-by":"crossref","first-page":"148","DOI":"10.1016\/j.schres.2013.09.015","article-title":"Sleep dysfunction and thalamic abnormalities in adolescents at ultra high-risk for psychosis","volume":"151","author":"Lunsford-Avery","year":"2013","journal-title":"Schizophr. Res."},{"issue":"1\u20133","key":"10.1016\/j.schres.2020.06.027_bb0195","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1016\/j.schres.2015.03.013","article-title":"Actigraphic-measured sleep disturbance predicts increased positive symptoms in adolescents at ultra high-risk for psychosis: a longitudinal study","volume":"164","author":"Lunsford-Avery","year":"2015","journal-title":"Schizophr. Res."},{"key":"10.1016\/j.schres.2020.06.027_bb0200","doi-asserted-by":"crossref","first-page":"160","DOI":"10.1016\/j.schres.2017.03.025","article-title":"Self-reported sleep disturbances associated with procedural learning impairment in adolescents at ultra-high risk for psychosis","volume":"190","author":"Lunsford-Avery","year":"2017","journal-title":"Schizophr. Res."},{"key":"10.1016\/j.schres.2020.06.027_bb0205","doi-asserted-by":"crossref","first-page":"37","DOI":"10.1016\/j.schres.2017.01.051","article-title":"Adolescents at clinical-high risk for psychosis: circadian rhythm disturbances predict worsened prognosis at 1-year follow-up","volume":"189","author":"Lunsford-Avery","year":"2017","journal-title":"Schizophr. Res."},{"key":"10.1016\/j.schres.2020.06.027_bb0210","doi-asserted-by":"crossref","first-page":"762","DOI":"10.3389\/fnhum.2014.00762","article-title":"Sleep spindle deficits in antipsychotic-na\u00efve early course schizophrenia and in non-psychotic first-degree relatives","volume":"8","author":"Manoach","year":"2014","journal-title":"Front. Hum. Neurosci."},{"issue":"8","key":"10.1016\/j.schres.2020.06.027_bb0215","doi-asserted-by":"crossref","first-page":"599","DOI":"10.1016\/j.biopsych.2015.10.003","article-title":"Reduced sleep spindles in schizophrenia: a treatable endophenotype that links risk genes to impaired cognition?","volume":"80","author":"Manoach","year":"2016","journal-title":"Biol. Psychiatry"},{"key":"10.1016\/j.schres.2020.06.027_bb0220","series-title":"Risk Factors for Transition to First Episode Psychosis Among Individuals With \u2018At-Risk Mental States\u2019","first-page":"227","volume":"71","author":"Mason","year":"2004"},{"issue":"1","key":"10.1016\/j.schres.2020.06.027_bb0225","first-page":"9","article-title":"Nightmare frequency in schizophrenic patients, healthy relatives of schizophrenic patients, patients at high risk states for psychosis, and healthy controls","volume":"7","author":"Michels","year":"2014","journal-title":"International Journal of Dream Research"},{"issue":"4","key":"10.1016\/j.schres.2020.06.027_bb0230","doi-asserted-by":"crossref","first-page":"703","DOI":"10.1093\/oxfordjournals.schbul.a007040","article-title":"Interview for prodromal syndromes and the scale of prodromal symptoms: predictive validity, interrater reliability, and training to reliability","volume":"29","author":"Miller","year":"2003","journal-title":"Schizophr. Bull."},{"issue":"1","key":"10.1016\/j.schres.2020.06.027_bb0235","doi-asserted-by":"crossref","first-page":"19","DOI":"10.1016\/S0920-9964(02)00440-1","article-title":"The PRIME North America randomized double-blind clinical trial of olanzapine versus placebo in patients at risk of being prodromally symptomatic for psychosis. II. Baseline characteristics of the \u201cprodromal\u201d sample","volume":"61","author":"Miller","year":"2003","journal-title":"Schizophr. Res."},{"key":"10.1016\/j.schres.2020.06.027_bb0240","doi-asserted-by":"crossref","first-page":"52","DOI":"10.1016\/j.smrv.2015.01.009","article-title":"The Pittsburgh sleep quality index as a screening tool for sleep dysfunction in clinical and non-clinical samples: a systematic review and meta-analysis","volume":"25","author":"Mollayeva","year":"2016","journal-title":"Sleep Med. Rev."},{"issue":"3","key":"10.1016\/j.schres.2020.06.027_bb0245","doi-asserted-by":"crossref","first-page":"330","DOI":"10.1016\/j.jbtep.2011.02.004","article-title":"Cognitive behavioural treatment of insomnia in individuals with persistent persecutory delusions: a pilot trial","volume":"42","author":"Myers","year":"2011","journal-title":"J. Behav. Ther. Exp. Psychiatry"},{"key":"10.1016\/j.schres.2020.06.027_bb0250","first-page":"e12968","article-title":"Naps reliably estimate nocturnal sleep spindle density in health and schizophrenia","author":"Mylonas","year":"2019","journal-title":"J. Sleep Res."},{"issue":"3","key":"10.1016\/j.schres.2020.06.027_bb0255","doi-asserted-by":"crossref","first-page":"333","DOI":"10.1016\/S0022-3956(97)00002-2","article-title":"Prevalence of DSM-IV diagnostic criteria of insomnia: distinguishing insomnia related to mental disorders from sleep disorders","volume":"31","author":"Ohayon","year":"1997","journal-title":"J. Psychiatr. Res."},{"key":"10.1016\/j.schres.2020.06.027_bb0260","doi-asserted-by":"crossref","first-page":"54","DOI":"10.1016\/j.psychres.2017.04.031","article-title":"The associations between quality of life and clinical symptoms in individuals with an at-risk mental state and first-episode psychosis","volume":"254","author":"Ohmuro","year":"2017","journal-title":"Psychiatry Res."},{"issue":"2","key":"10.1016\/j.schres.2020.06.027_bb0265","doi-asserted-by":"crossref","first-page":"111","DOI":"10.5664\/jcsm.4452","article-title":"The prevalence and management of poor sleep quality in a secondary care mental health population","volume":"11","author":"O\u2019Sullivan","year":"2015","journal-title":"J. Clin. Sleep Med."},{"key":"10.1016\/j.schres.2020.06.027_bb0270","doi-asserted-by":"crossref","first-page":"121","DOI":"10.1016\/j.jad.2018.09.011","article-title":"Developmental pathways towards mood disorders in adult life: is there a role for sleep disturbances?","volume":"243","author":"Palagini","year":"2019","journal-title":"J. Affect. Disord."},{"key":"10.1016\/j.schres.2020.06.027_bb0275","series-title":"Sleep and Mental Illness","author":"Pandi-Perumal","year":"2010"},{"key":"10.1016\/j.schres.2020.06.027_bb0280","doi-asserted-by":"crossref","first-page":"240","DOI":"10.1016\/j.psychres.2016.12.029","article-title":"Sleep disturbances in individuals at clinical high risk for psychosis","volume":"249","author":"Poe","year":"2017","journal-title":"Psychiatry Res."},{"key":"10.1016\/j.schres.2020.06.027_bb0285","series-title":"Guidance on the Conduct of Narrative Synthesis in Systematic Reviews. A Product From the ESRC Methods Programme Version 1, b92","author":"Popay","year":"2006"},{"issue":"1\u20132","key":"10.1016\/j.schres.2020.06.027_bb0290","doi-asserted-by":"crossref","first-page":"147","DOI":"10.1016\/S0920-9964(02)00346-8","article-title":"Sleep architecture and its clinical correlates in first episode and neuroleptic-naive patients with schizophrenia","volume":"62","author":"Poulin","year":"2003","journal-title":"Schizophr. Res."},{"issue":"13","key":"10.1016\/j.schres.2020.06.027_bb0295","doi-asserted-by":"crossref","first-page":"1086","DOI":"10.1016\/j.jpsychires.2008.01.003","article-title":"REM sleep EEG spectral analysis in patients with first-episode schizophrenia","volume":"42","author":"Poulin","year":"2008","journal-title":"J. Psychiatr. Res."},{"issue":"1","key":"10.1016\/j.schres.2020.06.027_bb0300","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1016\/j.schres.2015.03.022","article-title":"Sources of clinical distress in young people at ultra high risk of psychosis","volume":"165","author":"Rapado-Castro","year":"2015","journal-title":"Schizophr. Res."},{"key":"10.1016\/j.schres.2020.06.027_bb0305","doi-asserted-by":"crossref","first-page":"96","DOI":"10.1016\/j.cpr.2015.09.001","article-title":"The role of sleep dysfunction in the occurrence of delusions and hallucinations: a systematic review","volume":"42","author":"Reeve","year":"2015","journal-title":"Clin. Psychol. Rev."},{"key":"10.1016\/j.schres.2020.06.027_bb0310","series-title":"Sleep Duration and Psychotic Experiences in Patients at Risk of Psychosis: A Secondary Analysis of the EDIE-2 Trial","author":"Reeve","year":"2018"},{"issue":"2","key":"10.1016\/j.schres.2020.06.027_bb0315","doi-asserted-by":"crossref","first-page":"287","DOI":"10.1093\/schbul\/sby129","article-title":"Sleep disorders in early psychosis: incidence, severity, and association with clinical symptoms","volume":"45","author":"Reeve","year":"2018","journal-title":"Schizophr. Bull."},{"issue":"2","key":"10.1016\/j.schres.2020.06.027_bb0320","doi-asserted-by":"crossref","first-page":"129","DOI":"10.1080\/17522439.2016.1206955","article-title":"Clinician perceptions of sleep problems, and their treatment, in patients with non-affective psychosis","volume":"9","author":"Rehman","year":"2017","journal-title":"Psychosis"},{"issue":"4","key":"10.1016\/j.schres.2020.06.027_bb0325","doi-asserted-by":"crossref","first-page":"783","DOI":"10.1023\/B:QURE.0000021687.18783.d6","article-title":"Perceived quality of life in schizophrenia: relationships to sleep quality","volume":"13","author":"Ritsner","year":"2004","journal-title":"Qual. Life Res."},{"key":"10.1016\/j.schres.2020.06.027_bb0330","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1016\/j.psychres.2016.12.008","article-title":"Social relationships in young adults at ultra high risk for psychosis","volume":"247","author":"Robustelli","year":"2017","journal-title":"Psychiatry Res."},{"issue":"2","key":"10.1016\/j.schres.2020.06.027_bb0335","doi-asserted-by":"crossref","first-page":"265","DOI":"10.1093\/schbul\/sby187","article-title":"A wake-up call: assess and treat sleep disorders in early psychosis","volume":"45","author":"Rowland","year":"2018","journal-title":"Schizophr. Bull."},{"issue":"5","key":"10.1016\/j.schres.2020.06.027_bb0340","doi-asserted-by":"crossref","first-page":"357","DOI":"10.1111\/j.1600-0447.2008.01152.x","article-title":"Reduced subjective quality of life in persons at risk for psychosis","volume":"117","author":"Ruhrmann","year":"2008","journal-title":"Acta Psychiatr. Scand."},{"issue":"3","key":"10.1016\/j.schres.2020.06.027_bb0345","doi-asserted-by":"crossref","first-page":"241","DOI":"10.1001\/archgenpsychiatry.2009.206","article-title":"Prediction of psychosis in adolescents and young adults at high risk: results from the prospective European prediction of psychosis study","volume":"67","author":"Ruhrmann","year":"2010","journal-title":"Arch. Gen. Psychiatry"},{"key":"10.1016\/j.schres.2020.06.027_bb4005","doi-asserted-by":"crossref","first-page":"243","DOI":"10.47102\/annals-acadmedsg.V47N7p243","article-title":"Quality of life across mental disorders in psychiatric outpatients","volume":"47","author":"Sagayadevan","year":"2018","journal-title":"Ann. Acad. Med. Singap."},{"issue":"4","key":"10.1016\/j.schres.2020.06.027_bb0350","doi-asserted-by":"crossref","first-page":"512","DOI":"10.1046\/j.1440-1614.2001.00912.x","article-title":"First-episode psychosis in the military: a comparative study of prodromal symptoms","volume":"35","author":"Tan","year":"2001","journal-title":"Australian & New Zealand Journal of Psychiatry"},{"issue":"1","key":"10.1016\/j.schres.2020.06.027_bb0355","doi-asserted-by":"crossref","first-page":"14","DOI":"10.1111\/eip.12209","article-title":"Factor analysis of the scale of prodromal symptoms: data from the early detection and intervention for the prevention of psychosis program","volume":"11","author":"Tso","year":"2017","journal-title":"Early Intervention in Psychiatry"},{"issue":"1","key":"10.1016\/j.schres.2020.06.027_bb0360","doi-asserted-by":"crossref","first-page":"132","DOI":"10.1016\/j.schres.2012.10.025","article-title":"Transition to first episode psychosis in ultra high risk populations: does baseline functioning hold the key?","volume":"143","author":"Velthorst","year":"2013","journal-title":"Schizophr. Res."},{"key":"10.1016\/j.schres.2020.06.027_bb0365","doi-asserted-by":"crossref","first-page":"44","DOI":"10.1016\/j.schres.2019.11.014","article-title":"Sleep and schizophrenia: from epiphenomenon to treatable causal target","volume":"221","author":"Waite","year":"2019","journal-title":"Schizophr. Res."},{"issue":"2","key":"10.1016\/j.schres.2020.06.027_bb0370","doi-asserted-by":"crossref","first-page":"154","DOI":"10.1016\/j.biopsych.2011.08.008","article-title":"Reduced sleep spindles and spindle coherence in schizophrenia: mechanisms of impaired memory consolidation?","volume":"71","author":"Wamsley","year":"2012","journal-title":"Biol. Psychiatry"},{"issue":"4","key":"10.1016\/j.schres.2020.06.027_bb0375","doi-asserted-by":"crossref","first-page":"308","DOI":"10.1192\/bjp.bp.111.096321","article-title":"Sleep and circadian rhythm disruption in schizophrenia","volume":"200","author":"Wulff","year":"2012","journal-title":"Br. J. Psychiatry"},{"issue":"7","key":"10.1016\/j.schres.2020.06.027_bb0380","doi-asserted-by":"crossref","first-page":"669","DOI":"10.1515\/revneuro-2016-0030","article-title":"Schizophrenia: the role of sleep and circadian rhythms in regulating dopamine and psychosis","volume":"27","author":"Yates","year":"2016","journal-title":"Rev. Neurosci."},{"issue":"5","key":"10.1016\/j.schres.2020.06.027_bb0385","doi-asserted-by":"crossref","first-page":"587","DOI":"10.3109\/00048679609062654","article-title":"The initial prodrome in psychosis: descriptive and qualitative aspects","volume":"30","author":"Yung","year":"1996","journal-title":"Australian New Zealand Journal of Psychiatry"},{"issue":"2","key":"10.1016\/j.schres.2020.06.027_bb0390","doi-asserted-by":"crossref","first-page":"353","DOI":"10.1093\/schbul\/22.2.353","article-title":"The prodromal phase of first-episode psychosis: past and current conceptualizations","volume":"22","author":"Yung","year":"1996","journal-title":"Schizophr. Bull."},{"issue":"11\u221212","key":"10.1016\/j.schres.2020.06.027_bb0395","doi-asserted-by":"crossref","first-page":"964","DOI":"10.1080\/j.1440-1614.2005.01714.x","article-title":"Mapping the onset of psychosis: the comprehensive assessment of at-risk mental states","volume":"39","author":"Yung","year":"2005","journal-title":"Australian New Zealand Journal of Psychiatry"},{"issue":"10, Part 2","key":"10.1016\/j.schres.2020.06.027_bb0400","doi-asserted-by":"crossref","first-page":"2631","DOI":"10.1016\/j.neubiorev.2013.08.012","article-title":"Do sleep abnormalities and misaligned sleep\/circadian rhythm patterns represent early clinical characteristics for developing psychosis in high risk populations?","volume":"37","author":"Zanini","year":"2013","journal-title":"Neurosci. Biobehav. Rev."},{"issue":"1\u20133","key":"10.1016\/j.schres.2020.06.027_bb0405","doi-asserted-by":"crossref","first-page":"262","DOI":"10.1016\/j.schres.2015.08.023","article-title":"Abnormalities in sleep patterns in individuals at risk for psychosis and bipolar disorder","volume":"169","author":"Zanini","year":"2015","journal-title":"Schizophr. Res."},{"key":"10.1016\/j.schres.2020.06.027_bb0410","doi-asserted-by":"crossref","first-page":"29","DOI":"10.1016\/j.schres.2019.11.002","article-title":"Sleep spindle and slow wave abnormalities in schizophrenia and other psychotic disorders: recent findings and future directions","volume":"221","author":"Zhang","year":"2019","journal-title":"Schizophr. Res."}],"container-title":["Schizophrenia Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0920996420303790?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0920996420303790?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T19:41:03Z","timestamp":1760298063000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0920996420303790"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,1]]},"references-count":84,"alternative-id":["S0920996420303790"],"URL":"https:\/\/doi.org\/10.1016\/j.schres.2020.06.027","relation":{},"ISSN":["0920-9964"],"issn-type":[{"value":"0920-9964","type":"print"}],"subject":[],"published":{"date-parts":[[2021,1]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Sleep disturbances and the At Risk Mental State: A systematic review and meta-analysis","name":"articletitle","label":"Article Title"},{"value":"Schizophrenia Research","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.schres.2020.06.027","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2020 Elsevier B.V. All rights reserved.","name":"copyright","label":"Copyright"}]}}