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Valko PO, Hunziker S, Graf K, et al. Sleep-wake misperception. A comprehensive analysis of a large sleep lab cohort. Sleep Med. 2021;88:96-103doi: 10.1016/j.sleep.2021.10.023.
Valko, P. O., Hunziker, S., Graf, K., Werth, E., & Baumann, C. R. (2021). Sleep-wake misperception. A comprehensive analysis of a large sleep lab cohort. Sleep medicine, 8896-103. https://doi.org/10.1016/j.sleep.2021.10.023
Valko, Philipp O, et al. "Sleep-wake misperception. A comprehensive analysis of a large sleep lab cohort." Sleep medicine vol. 88 (2021): 96-103. doi: https://doi.org/10.1016/j.sleep.2021.10.023
Valko PO, Hunziker S, Graf K, Werth E, Baumann CR. Sleep-wake misperception. A comprehensive analysis of a large sleep lab cohort. Sleep Med. 2021 Dec;88:96-103. doi: 10.1016/j.sleep.2021.10.023. Epub 2021 Oct 22. PMID: 34742039.
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Sleep Med. 2021 Dec;88:96-103. doi: 10.1016/j.sleep.2021.10.023. Epub 2021 Oct 22.

Sleep-wake misperception. A comprehensive analysis of a large sleep lab cohort.

Sleep medicine

Philipp O Valko, Schirin Hunziker, Kevin Graf, Esther Werth, Christian R Baumann

Affiliations

  1. Department of Neurology, Clinical Neuroscience Center, University Hospital Zurich, University of Zurich, Switzerland; Sleep & Health Zurich, University Hospital Zurich, University of Zurich, Switzerland. Electronic address: [email protected].
  2. Department of Neurology, Clinical Neuroscience Center, University Hospital Zurich, University of Zurich, Switzerland.
  3. Department of Neurology, Clinical Neuroscience Center, University Hospital Zurich, University of Zurich, Switzerland; Sleep & Health Zurich, University Hospital Zurich, University of Zurich, Switzerland.

PMID: 34742039 DOI: 10.1016/j.sleep.2021.10.023

Abstract

OBJECTIVES: Sleep-wake misperception has mainly been reported in insomnia patients. Conversely, the present study aimed to assess the prevalence and correlates of sleep-wake misperception in a large cohort of patients with various sleep-wake disorders, all diagnosed along the third version of the International Classification of Sleep Disorders.

METHODS: We retrospectively included 2738 patients examined by polysomnography, who in addition estimated upon awakening their total sleep time, sleep onset latency and Wake after sleep onset (WASO). We computed subjective-objective mismatch by the formula (subjective - objective value)/objective value ×100; negative and positive values indicated under- and overestimation, respectively.

RESULTS: In the entire sample, the magnitude of under- and overestimation of total sleep time was similar, but varied significantly between diagnostic groups, with insomnia and insufficient sleep syndrome showing the most pronounced underestimation and REM parasomnia and circadian rhythm disorders showing the most pronounced overestimation of total sleep time. In all diagnostic categories, a majority tended to overestimate their sleep onset latency and to underestimate the amount of WASO. Younger age was independently correlated with underestimation of total sleep time and WASO, and with overestimation of sleep onset latency. Overestimation of sleep onset latency independently correlated to an increased latency to N3 sleep stage on polysomnography.

CONCLUSIONS: While sleep-wake misperception is highly prevalent in all sleep-wake disorders, significant differences exist in magnitude of under- and overestimation between distinct diagnostic groups.

Copyright © 2021 The Author(s). Published by Elsevier B.V. All rights reserved.

Keywords: Accuracy; Discrepancy; Hypersomnia; Narcolepsy; Sleep-wake estimation

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