{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,12]],"date-time":"2026-10-12T21:29:40Z","timestamp":1791840580469,"version":"4.3.4"},"reference-count":68,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2017,8,1]],"date-time":"2017-08-01T00:00:00Z","timestamp":1501545600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2017,8,1]],"date-time":"2017-08-01T00:00:00Z","timestamp":1501545600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"funder":[{"name":"Bertil and Britt Svenssons\u2019 Foundation and Bor\u00e5s University"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Intensive and Critical Care Nursing"],"published-print":{"date-parts":[[2017,8]]},"DOI":"10.1016\/j.iccn.2017.01.009","type":"journal-article","created":{"date-parts":[[2017,3,7]],"date-time":"2017-03-07T01:01:36Z","timestamp":1488848496000},"page":"26-32","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":21,"special_numbering":"C","title":["The effect of cycled lighting in the intensive care unit on sleep, activity and physiological parameters: A pilot study"],"prefix":"10.1016","volume":"41","author":[{"given":"Marie","family":"Engwall","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Isabell","family":"Fridh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G\u00f6ran","family":"Jutengren","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ingegerd","family":"Bergbom","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anders","family":"Sterner","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Berit","family":"Lindahl","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.iccn.2017.01.009_bib0005","first-page":"804","article-title":"Sleep in the intensive care unit measured by polysomnography","volume":"79","author":"Andersen","year":"2013","journal-title":"Minerva Anestesiol."},{"key":"10.1016\/j.iccn.2017.01.009_bib0010","first-page":"159","article-title":"Stressful environmental events in the intensive care unit","volume":"18","author":"Ayllon Garrido","year":"2007","journal-title":"Enferm. Intensiva"},{"key":"10.1016\/j.iccn.2017.01.009_bib0015","doi-asserted-by":"crossref","first-page":"205","DOI":"10.1111\/scs.12177","article-title":"Patients\u2019 experiences of being mechanically ventilated in an ICU: a qualitative metasynthesis","volume":"29","author":"Baumgarten","year":"2015","journal-title":"Scand. J. Caring Sci."},{"key":"10.1016\/j.iccn.2017.01.009_bib0020","first-page":"78","article-title":"Endocrine effects of circadian disruption","author":"Bedrosian","year":"2015","journal-title":"Annu. Rev. Physiol."},{"key":"10.1016\/j.iccn.2017.01.009_bib0025","series-title":"Light Pollution Adverse Health Effects of Nighttime Lighting Report 4 of the Council on Science and Public Health (A-12)","author":"Blask","year":"2012"},{"key":"10.1016\/j.iccn.2017.01.009_bib0030","doi-asserted-by":"crossref","first-page":"23448","DOI":"10.3390\/ijms151223448","article-title":"Protecting the melatonin rhythm through circadian healthy light exposure","volume":"15","author":"Bonmati-Carrion","year":"2014","journal-title":"Int. J. Mol. Sci."},{"key":"10.1016\/j.iccn.2017.01.009_bib0035","doi-asserted-by":"crossref","first-page":"49","DOI":"10.1177\/1089253214553066","article-title":"Circadian rhythms in anesthesia and critical care medicine: potential importance of circadian disruptions","volume":"19","author":"Brainard","year":"2015","journal-title":"Semin. Cardiothorac. Vasc. Anesth."},{"key":"10.1016\/j.iccn.2017.01.009_bib0040","doi-asserted-by":"crossref","first-page":"192","DOI":"10.1067\/mpd.2002.121932","article-title":"Preterm infants born at less than 31 weeks\u2019 gestation have improved growth in cycled light compared with continuous near darkness","volume":"140","author":"Brandon","year":"2002","journal-title":"J. Pediatr."},{"key":"10.1016\/j.iccn.2017.01.009_bib0045","doi-asserted-by":"crossref","first-page":"100","DOI":"10.1097\/CCM.0000000000001356","article-title":"Trait anxiety but not state anxiety during critical illness was associated with anxiety and depression over 6 months after ICU","volume":"44","author":"Castillo","year":"2016","journal-title":"Crit. Care Med."},{"key":"10.1016\/j.iccn.2017.01.009_bib0050","doi-asserted-by":"crossref","first-page":"246","DOI":"10.1097\/CCM.0b013e31822f0abe","article-title":"Circadian rhythms: from basic mechanisms to the intensive care unit","volume":"40","author":"Chan","year":"2012","journal-title":"Crit. Care Med."},{"key":"10.1016\/j.iccn.2017.01.009_bib0055","doi-asserted-by":"crossref","first-page":"a1655","DOI":"10.1136\/bmj.a1655","article-title":"Developing and evaluating complex interventions: the new Medical Research Council guidance","volume":"337","author":"Craig","year":"2008","journal-title":"BMJ"},{"key":"10.1016\/j.iccn.2017.01.009_bib0060","doi-asserted-by":"crossref","first-page":"1535","DOI":"10.1080\/00140139.2013.820845","article-title":"Objective and subjective assessments of lighting in a hospital setting: implications for health, safety and performance","volume":"56","author":"Dianat","year":"2013","journal-title":"Ergonomics"},{"key":"10.1016\/j.iccn.2017.01.009_bib0065","doi-asserted-by":"crossref","first-page":"31","DOI":"10.4037\/ccn2010342","article-title":"Nighttime lighting in intensive care units","volume":"30","author":"Dunn","year":"2010","journal-title":"Crit. Care Nurs."},{"key":"10.1016\/j.iccn.2017.01.009_bib0070","first-page":"187","article-title":"A double blind placebo controlled randomised pilot study of nocturnal melatonin in tracheostomised patients","volume":"8","author":"Egi","year":"2006","journal-title":"Crit. Care Resusc."},{"key":"10.1016\/j.iccn.2017.01.009_bib0075","doi-asserted-by":"crossref","first-page":"1","DOI":"10.4102\/curationis.v36i1.72","article-title":"Factors contributing to sleep deprivation in a multi-disciplinary intensive care unit in South Africa","volume":"36","author":"Ehlers","year":"2013","journal-title":"Curationis"},{"key":"10.1016\/j.iccn.2017.01.009_bib0080","doi-asserted-by":"crossref","first-page":"R46","DOI":"10.1186\/cc12565","article-title":"Characterisation of sleep in intensive care using 24-hour polysomnography: an observational study","volume":"17","author":"Elliott","year":"2013","journal-title":"Crit. Care"},{"key":"10.1016\/j.iccn.2017.01.009_bib0085","doi-asserted-by":"crossref","first-page":"859","DOI":"10.1016\/j.jcrc.2014.05.015","article-title":"Factors affecting sleep in the critically ill: an observational study","volume":"29","author":"Elliott","year":"2014","journal-title":"J. Crit. Care"},{"key":"10.1016\/j.iccn.2017.01.009_bib0090","doi-asserted-by":"crossref","first-page":"273","DOI":"10.1097\/CNQ.0000000000000031","article-title":"Let there be light and darkness: findings from a prestudy concerning cycled light in the intensive care unit environment","volume":"37","author":"Engwall","year":"2014","journal-title":"Crit. Care Nurs. Q."},{"key":"10.1016\/j.iccn.2017.01.009_bib0095","doi-asserted-by":"crossref","first-page":"325","DOI":"10.1016\/j.iccn.2015.07.001","article-title":"Lighting, sleep and circadian rhythm: an intervention study in the intensive care unit","volume":"31","author":"Engwall","year":"2015","journal-title":"Intensive Crit. Care Nurs."},{"key":"10.1016\/j.iccn.2017.01.009_bib0100","series-title":"CSN EN 12464-1. Light and Lighting, Lighting of Work Places. Part 1. Indoor Work Places","author":"European Standards","year":"2011"},{"key":"10.1016\/j.iccn.2017.01.009_bib0105","doi-asserted-by":"crossref","first-page":"66","DOI":"10.1097\/WNP.0000000000000110","article-title":"Sleep in the neurological intensive care unit: feasibility of quantifying sleep after melatonin supplementation with environmental light and noise reduction","volume":"32","author":"Foreman","year":"2015","journal-title":"J. Clin. Neurophysiol."},{"key":"10.1016\/j.iccn.2017.01.009_bib0110","doi-asserted-by":"crossref","first-page":"1105","DOI":"10.5665\/sleep.1998","article-title":"Temporal disorganization of circadian rhythmicity and sleep-wake regulation in mechanically ventilated patients receiving continuous intravenous sedation","volume":"35","author":"Gehlbach","year":"2012","journal-title":"Sleep"},{"key":"10.1016\/j.iccn.2017.01.009_bib0115","doi-asserted-by":"crossref","first-page":"52","DOI":"10.4037\/ajcc2005.14.1.52","article-title":"Actigraphy in the critically ill: correlation with activity, agitation, and sedation","volume":"14","author":"Grap","year":"2005","journal-title":"Am. J. Crit. Care"},{"key":"10.1016\/j.iccn.2017.01.009_bib0120","doi-asserted-by":"crossref","first-page":"1506","DOI":"10.1007\/s00134-007-0730-z","article-title":"The prevalence of post traumatic stress disorder in survivors of ICU treatment: a systematic review","volume":"33","author":"Griffiths","year":"2007","journal-title":"Intensive Care Med."},{"key":"10.1016\/j.iccn.2017.01.009_bib0125","doi-asserted-by":"crossref","first-page":"e145","DOI":"10.1542\/peds.2011-2671","article-title":"Cycled light exposure reduces fussing and crying in very preterm infants","volume":"130","author":"Guyer","year":"2012","journal-title":"Pediatric"},{"key":"10.1016\/j.iccn.2017.01.009_bib0130","first-page":"CD008808","article-title":"Non-pharmacological interventions for sleep promotion in the intensive care unit","author":"Hu","year":"2015","journal-title":"Cochrane Database Syst. Rev."},{"key":"10.1016\/j.iccn.2017.01.009_bib0135","doi-asserted-by":"crossref","first-page":"115","DOI":"10.1186\/s13054-015-0855-3","article-title":"Effects of earplugs and eye masks combined with relaxing music on sleep, melatonin and cortisol levels in ICU patients: a randomized controlled trial","volume":"19","author":"Hu","year":"2015","journal-title":"Crit. Care"},{"key":"10.1016\/j.iccn.2017.01.009_bib0140","doi-asserted-by":"crossref","first-page":"62","DOI":"10.1016\/j.aucc.2015.08.001","article-title":"An investigation of light and sound levels on intensive care units in China","volume":"29","author":"Hu","year":"2016","journal-title":"Aust. Crit. Care"},{"key":"10.1016\/j.iccn.2017.01.009_bib0145","doi-asserted-by":"crossref","first-page":"213","DOI":"10.1111\/j.1365-2869.2007.00588.x","article-title":"Validation of actigraphy for determining sleep and wake in children with sleep disordered breathing","volume":"16","author":"Hyde","year":"2007","journal-title":"J. Sleep Res."},{"key":"10.1016\/j.iccn.2017.01.009_bib0150","doi-asserted-by":"crossref","first-page":"271","DOI":"10.1076\/brhm.33.3.271.8258","article-title":"Influence of the amount of light received during the day and night times on the circadian rhythm of melatonin secretion in women living diurnally","volume":"33","author":"Hyun","year":"2002","journal-title":"Biol. Rhythm Res."},{"key":"10.1016\/j.iccn.2017.01.009_bib0155","series-title":"Feasibility of a Complex Sound Environment Intervention in ICU: An Observational Study","author":"Johansson","year":"2016"},{"key":"10.1016\/j.iccn.2017.01.009_bib0160","series-title":"Being Critically ill and Surrounded by Sound and Noise (Diss)","author":"Johansson","year":"2014"},{"key":"10.1016\/j.iccn.2017.01.009_bib0165","doi-asserted-by":"crossref","first-page":"135","DOI":"10.1097\/CCM.0000000000000610","article-title":"Delirium transitions in the medical ICU: exploring the role of sleep quality and other factors","volume":"43","author":"Kamdar","year":"2015","journal-title":"Crit. Care Med."},{"key":"10.1016\/j.iccn.2017.01.009_bib0170","doi-asserted-by":"crossref","first-page":"218","DOI":"10.1007\/s11910-012-0252-0","article-title":"Effects of circadian disruption on mental and physical health","volume":"12","author":"Karatsoreos","year":"2012","journal-title":"Curr. Neurol. Neurosci."},{"key":"10.1016\/j.iccn.2017.01.009_bib0175","doi-asserted-by":"crossref","first-page":"89","DOI":"10.1093\/bja\/aet304","article-title":"Earplugs and eye masks vs routine care prevent sleep impairment in post-anaesthesia care unit: a randomized study","volume":"112","author":"Le Guen","year":"2014","journal-title":"Br. J. Anaesth."},{"key":"10.1016\/j.iccn.2017.01.009_bib0180","doi-asserted-by":"crossref","first-page":"443","DOI":"10.1038\/nrn3743","article-title":"Light as a central modulator of circadian rhythms, sleep and affect","volume":"15","author":"LeGates","year":"2014","journal-title":"Nat. Rev. Neurosci."},{"key":"10.1016\/j.iccn.2017.01.009_bib0185","first-page":"696","article-title":"Informed consent for and regulation of critical care research","volume":"14","author":"Lemaire","year":"2008","journal-title":"Curr. Opin. Crit. Care"},{"key":"10.1016\/j.iccn.2017.01.009_bib0190","doi-asserted-by":"crossref","first-page":"393","DOI":"10.1097\/CNQ.0000000000000087","article-title":"Bringing research into a closed and protected place: development and implementation of a complex clinical intervention project in an ICU","volume":"38","author":"Lindahl","year":"2015","journal-title":"Crit. Care Nurs. Q."},{"key":"10.1016\/j.iccn.2017.01.009_bib0195","doi-asserted-by":"crossref","first-page":"53","DOI":"10.1097\/CNQ.0000000000000005","article-title":"Relational sustainability: environments for long-term critical care patients","volume":"37","author":"Mammen","year":"2014","journal-title":"Crit. Care Nurs. Q."},{"key":"10.1016\/j.iccn.2017.01.009_bib0200","doi-asserted-by":"crossref","first-page":"246","DOI":"10.1016\/j.iccn.2010.06.003","article-title":"24-hour intensive care: an observational study of an environment and events","volume":"26","author":"Meril\u00e4inen","year":"2010","journal-title":"Intensive Crit. Care Nurs."},{"key":"10.1016\/j.iccn.2017.01.009_bib0205","first-page":"CD006982","article-title":"Cycled light in the intensive care unit for preterm and low birth weight infants","author":"Morag","year":"2011","journal-title":"Cochrane Database Syst. Rev."},{"key":"10.1016\/j.iccn.2017.01.009_bib0210","doi-asserted-by":"crossref","first-page":"448","DOI":"10.31887\/DCNS.2012.14.4\/mmuench","article-title":"Light and chronobiology: implications for health and disease","volume":"14","author":"Munch","year":"2012","journal-title":"Dialog. Clin. Neurol. Sci"},{"key":"10.1016\/j.iccn.2017.01.009_bib0215","doi-asserted-by":"crossref","first-page":"502","DOI":"10.1097\/CCM.0b013e318232da75","article-title":"Improving long-term outcomes after discharge from intensive care unit: report from a stakeholders\u02bc conference","volume":"40","author":"Needham","year":"2012","journal-title":"Crit. Care Med."},{"key":"10.1016\/j.iccn.2017.01.009_bib0220","doi-asserted-by":"crossref","first-page":"1313","DOI":"10.1007\/s00421-015-3110-3","article-title":"Circadian rhythm of heart rate and physical activity in nurses during day and night shifts","volume":"115","author":"Nicoletti","year":"2015","journal-title":"Eur. J. Appl. Physiol."},{"key":"10.1016\/j.iccn.2017.01.009_bib0225","doi-asserted-by":"crossref","first-page":"679","DOI":"10.1111\/j.0001-5172.2004.00401.x","article-title":"Abolished circadian rhythm of melatonin secretion in sedated and artificially ventilated intensive care patients","volume":"48","author":"Olofsson","year":"2004","journal-title":"Acta Anaesth. Scand."},{"key":"10.1016\/j.iccn.2017.01.009_bib0230","doi-asserted-by":"crossref","first-page":"126","DOI":"10.1016\/j.jns.2008.01.003","article-title":"Abnormal sleep-wake cycles in patients with tuberculous meningitis: a case control study","volume":"269","author":"Pardasani","year":"2008","journal-title":"J. Neurol. Sci."},{"key":"10.1016\/j.iccn.2017.01.009_bib0235","doi-asserted-by":"crossref","first-page":"540","DOI":"10.1111\/anae.12638","article-title":"The effect of a multicomponent multidisciplinary bundle of interventions on sleep and delirium in medical and surgical intensive care patients","volume":"69","author":"Patel","year":"2014","journal-title":"Anaesthesia"},{"key":"10.1016\/j.iccn.2017.01.009_bib0240","series-title":"Actiwatch Activity Data Acquisition Description for Marketing","author":"Philips","year":"2015"},{"key":"10.1016\/j.iccn.2017.01.009_bib0245","doi-asserted-by":"crossref","first-page":"731","DOI":"10.1164\/rccm.201411-2099CI","article-title":"Sleep in the intensive care unit","volume":"191","author":"Pisani","year":"2015","journal-title":"Am. J. Respir. Crit. Care Med."},{"key":"10.1016\/j.iccn.2017.01.009_bib0250","doi-asserted-by":"crossref","first-page":"748","DOI":"10.1016\/j.jcrc.2014.05.014","article-title":"Accelerometer-based devices can be used to monitor sedation\/agitation in the intensive care unit","volume":"29","author":"Raj","year":"2014","journal-title":"J. Crit. Care"},{"key":"10.1016\/j.iccn.2017.01.009_bib0255","doi-asserted-by":"crossref","first-page":"273","DOI":"10.1097\/CNQ.0000000000000002","article-title":"Two decades (1993\u20132012) of adult intensive care unit design: a comparative study of the physical design features of the best practice examples","volume":"37","author":"Rashid","year":"2014","journal-title":"Crit. Care Nurs. Q."},{"key":"10.1016\/j.iccn.2017.01.009_bib0260","doi-asserted-by":"crossref","first-page":"833","DOI":"10.1542\/peds.113.4.833","article-title":"Rest-activity patterns of premature infants are regulated by cycled lighting","volume":"113","author":"Rivkees","year":"2004","journal-title":"Pediatrics"},{"key":"10.1016\/j.iccn.2017.01.009_bib0265","doi-asserted-by":"crossref","first-page":"980","DOI":"10.1161\/CIRCRESAHA.110.233668","article-title":"Existence of an endogenous circadian blood pressure rhythm in humans that peaks in the evening","volume":"108","author":"Shea","year":"2011","journal-title":"Circ. Res."},{"key":"10.1016\/j.iccn.2017.01.009_bib0270","doi-asserted-by":"crossref","first-page":"81","DOI":"10.1093\/sleep\/26.1.81","article-title":"Further validation of actigraphy for sleep studies","volume":"26","author":"Souza De","year":"2003","journal-title":"Sleep"},{"key":"10.1016\/j.iccn.2017.01.009_bib0275","doi-asserted-by":"crossref","first-page":"2051","DOI":"10.1111\/jan.12664","article-title":"Patients' experiences of technology and care in adult intensive care","volume":"71","author":"Stayt","year":"2015","journal-title":"J. Adv. Nurs."},{"key":"10.1016\/j.iccn.2017.01.009_bib0280","doi-asserted-by":"crossref","first-page":"207","DOI":"10.3322\/caac.21218","article-title":"Breast cancer and circadian disruption from electric lighting in the modern world","volume":"64","author":"Stevens","year":"2014","journal-title":"CA-Cancer J. Clin."},{"key":"10.1016\/j.iccn.2017.01.009_bib0285","article-title":"Factors influencing quality of sleep among non-mechanically ventilated patients in the Intensive Care Unit","author":"Stewart","year":"2016","journal-title":"Aust. Crit. Care"},{"key":"10.1016\/j.iccn.2017.01.009_bib0290","doi-asserted-by":"crossref","first-page":"634","DOI":"10.1111\/jocn.12250","article-title":"Intensive care delirium -effect on memories and health\u2010related quality of life -a follow\u2010up study","volume":"23","author":"Svenningsen","year":"2014","journal-title":"J. Clin. Nurs."},{"key":"10.1016\/j.iccn.2017.01.009_bib0295","doi-asserted-by":"crossref","first-page":"310","DOI":"10.1016\/j.iccn.2013.05.003","article-title":"The experience of sleep deprivation in intensive care patients: findings from a larger hermeneutic phenomenological study","volume":"29","author":"Tembo","year":"2013","journal-title":"Intensive Crit. Care Nurs."},{"key":"10.1016\/j.iccn.2017.01.009_bib0300","doi-asserted-by":"crossref","first-page":"741","DOI":"10.1111\/scs.12106","article-title":"How do patients with exacerbated chronic obstructive pulmonary disease experience care in the intensive care unit","volume":"28","author":"Torheim","year":"2014","journal-title":"Scan. J. Caring Sci."},{"key":"10.1016\/j.iccn.2017.01.009_bib0305","doi-asserted-by":"crossref","first-page":"269","DOI":"10.1016\/j.smrv.2009.11.002","article-title":"The role of environmental light in sleep and health: effects of ocular aging and cataract surgery","volume":"14","author":"Turner","year":"2010","journal-title":"Sleep Med. Rev."},{"key":"10.1016\/j.iccn.2017.01.009_bib0310","doi-asserted-by":"crossref","first-page":"61","DOI":"10.1177\/193758670800100306","article-title":"A review of the research literature on evidence-based healthcare design","volume":"1","author":"Ulrich","year":"2008","journal-title":"HERD"},{"key":"10.1016\/j.iccn.2017.01.009_bib0315","doi-asserted-by":"crossref","first-page":"95","DOI":"10.1177\/193758671000400107","article-title":"A conceptual framework for the domain of evidence-based design","volume":"4","author":"Ulrich","year":"2010","journal-title":"HERD"},{"key":"10.1016\/j.iccn.2017.01.009_bib0320","doi-asserted-by":"crossref","first-page":"53","DOI":"10.1046\/j.1440-1819.2003.01079.x","article-title":"Actigraphy assessments of the circadian rest-activity rhythm in elderly patients hospitalized in an acute care unit","volume":"57","author":"Vinzio","year":"2003","journal-title":"Psychiatry Clin. Neurosci."},{"key":"10.1016\/j.iccn.2017.01.009_bib0325","series-title":"Helsinki Declaration: Ethical Principles for Medical Research Involving Human Subjects","author":"WMA, World Medical Association","year":"2013"},{"key":"10.1016\/j.iccn.2017.01.009_bib0330","doi-asserted-by":"crossref","first-page":"R73","DOI":"10.1088\/0967-3334\/37\/9\/R73","article-title":"Exposure to light and darkness and its influence on physiological measures of intensive care unit patients-a systematic literature review","volume":"37","author":"Weiss","year":"2016","journal-title":"Physiol. Meas."},{"key":"10.1016\/j.iccn.2017.01.009_bib0335","doi-asserted-by":"crossref","first-page":"237","DOI":"10.1016\/j.apergo.2012.07.008","article-title":"Light level and duration of exposure determine the impact of self-luminous tablets on melatonin suppression","volume":"44","author":"Wood","year":"2013","journal-title":"Appl. Ergon."},{"key":"10.1016\/j.iccn.2017.01.009_bib0340","doi-asserted-by":"crossref","first-page":"159","DOI":"10.1016\/j.iccn.2011.11.010","article-title":"Memories from intensive care unit persist for several years-a longitudinal prospective multi-centre study","volume":"28","author":"Zetterlund","year":"2012","journal-title":"Intensive Crit. Care Nurs."}],"container-title":["Intensive and Critical Care Nursing"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0964339717300320?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0964339717300320?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,18]],"date-time":"2025-10-18T14:26:19Z","timestamp":1760797579000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0964339717300320"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,8]]},"references-count":68,"alternative-id":["S0964339717300320"],"URL":"https:\/\/doi.org\/10.1016\/j.iccn.2017.01.009","relation":{},"ISSN":["0964-3397"],"issn-type":[{"value":"0964-3397","type":"print"}],"subject":[],"published":{"date-parts":[[2017,8]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"The effect of cycled lighting in the intensive care unit on sleep, activity and physiological parameters: A pilot study","name":"articletitle","label":"Article Title"},{"value":"Intensive and Critical Care Nursing","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.iccn.2017.01.009","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2017 Elsevier Ltd. All rights reserved.","name":"copyright","label":"Copyright"}]}}