Reference data for polysomnography-measured and subjective sleep in healthy adults

Hertenstein, Elisabeth; Gabryelska, Agata; Spiegelhalder, Kai; Nissen, Christoph; Johann, Anna F; Umarova, Roza; Riemann, Dieter; Baglioni, Chiara; Feige, Bernd (2018). Reference data for polysomnography-measured and subjective sleep in healthy adults. Journal of clinical sleep medicine, 14(4), pp. 523-532. American Academy of Sleep Medicine 10.5664/jcsm.7036

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STUDY OBJECTIVES Reference data for sleep are needed for the interpretation of clinical sleep parameters. This analysis aimed to provide polysomnography-measured, spectral analytic and subjective reference data based on a sample of healthy adults. In addition, effects of age and sex were investigated. METHODS The sample was selected from the archival database of the Sleep Center at the University Medical Center Freiburg and consisted of 206 healthy adults aged 19 to 73 years. For an adaptation and a second examination night, polysomnography parameters, spectral analytic data, and subjective sleep estimations are presented. RESULTS With increasing age, sleep became shorter (less total sleep time, more wake time after sleep onset) and lighter (eg, more percentage of stage N1 sleep, increase in fast activity in the beta range). Sleep in females was deeper than sleep in males (eg, higher percentage of stage N3 sleep). Females had higher overall power density than males. Altogether, it is apparent that sleep parameters exhibit high standard deviations, suggesting a high variability within healthy adults and complicating the specification of reference values. CONCLUSIONS Our data suggest that the informative value of sleep reference data in healthy individuals is limited because of high interindividual and intraindividual variation within sleep variables. More research, preferably in the form of meta-analyses and/or large international databases, is needed to further investigate the relevance of such reference data for mental and physical health. In the absence of such knowledge, giving patients feedback about deviations from the norm in their sleep profile may give rise to ill-founded concerns and worry.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > University Psychiatric Services > University Hospital of Psychiatry and Psychotherapy > Translational Research Center
04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Neurology
04 Faculty of Medicine > University Psychiatric Services

UniBE Contributor:

Hertenstein, Elisabeth; Nissen, Christoph and Umarova, Roza

Subjects:

600 Technology > 610 Medicine & health

ISSN:

1550-9389

Publisher:

American Academy of Sleep Medicine

Language:

English

Submitter:

Stefanie Hetzenecker

Date Deposited:

24 Apr 2018 15:48

Last Modified:

14 May 2019 08:56

Publisher DOI:

10.5664/jcsm.7036

PubMed ID:

29609718

Uncontrolled Keywords:

healthy adults polysomnography reference data sleep subjective sleep

URI:

https://boris.unibe.ch/id/eprint/114599

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