{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T18:12:16Z","timestamp":1787163136130,"version":"build-2736575974"},"reference-count":40,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2024,8,15]],"date-time":"2024-08-15T00:00:00Z","timestamp":1723680000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Sleep Research"],"published-print":{"date-parts":[[2025,2]]},"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:p>There is conflicting evidence for impaired autonomic control of heart rate (HR) in adults with narcolepsy and idiopathic hypersomnolence (IH). Despite these chronic hypersomnia conditions primarily being diagnosed around the age of puberty, there are limited studies in children. The present study investigated cardiovascular control using heart rate variability (HRV) and the extent of nocturnal HR dipping during sleep in children and adolescents with narcolepsy and IH. Children having an overnight polysomnographic study followed by a multiple sleep latency test (MSLT) for investigation of excessive daytime sleepiness (EDS) between May 2010 to December 2023 were included: 28 children diagnosed with narcolepsy, 11 with IH, and 26 subjectively sleepy children who did not meet the diagnostic criteria for either narcolepsy or IH. Each clinically referred child was matched for age and sex with a control. Time domain and frequency domain HRV were calculated from ECG recorded at 512\u2009Hz. There were no differences in either time domain or spectral analysis of HRV between clinical groups or between clinical groups and their control group. The expected sleep state differences in HRV were observed in all groups. There was also no difference in HR nocturnal dipping between groups. Despite evidence for abnormal autonomic function in adults with narcolepsy and IH, our study did not identify any abnormalities in HR, HR control, or nocturnal dipping of HR in children referred for assessment of EDS. This suggests that autonomic dysfunction may be a feature of these conditions that develops in later life.<\/jats:p>","DOI":"10.1111\/jsr.14318","type":"journal-article","created":{"date-parts":[[2024,8,15]],"date-time":"2024-08-15T21:25:20Z","timestamp":1723757120000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Autonomic cardiovascular control is unaffected in children referred for assessment of excessive daytime sleepiness"],"prefix":"10.1111","volume":"34","author":[{"given":"Jamilla","family":"Francis","sequence":"first","affiliation":[{"name":"Department of Paediatrics Monash University  Melbourne Victoria Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0002-2351-6336","authenticated-orcid":false,"given":"Georgina","family":"Plunkett","sequence":"additional","affiliation":[{"name":"Department of Paediatrics Monash University  Melbourne Victoria Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marisha","family":"Shetty","sequence":"additional","affiliation":[{"name":"Department of Paediatrics Monash University  Melbourne Victoria Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Margot J.","family":"Davey","sequence":"additional","affiliation":[{"name":"Department of Paediatrics Monash University  Melbourne Victoria Australia"},{"name":"Melbourne Children's Sleep Centre Monash Children's Hospital  Melbourne Victoria Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4944-7754","authenticated-orcid":false,"given":"Gillian M.","family":"Nixon","sequence":"additional","affiliation":[{"name":"Department of Paediatrics Monash University  Melbourne Victoria Australia"},{"name":"Melbourne Children's Sleep Centre Monash Children's Hospital  Melbourne Victoria Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1158-493X","authenticated-orcid":false,"given":"Lisa M.","family":"Walter","sequence":"additional","affiliation":[{"name":"Department of Paediatrics Monash University  Melbourne Victoria Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3575-0461","authenticated-orcid":false,"given":"Rosemary S. 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