Subjective health perception in healthy young men changes in response to experimentally restricted sleep and subsequent recovery sleep

Mats Lekander*, Anna Nixon Andreasson, Göran Kecklund, Rolf Ekman, Michael Ingre, Torbjorn Akerstedt, John Axelsson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

Sleep and subjective health are both prospectively related to objective indices of health and health care use. Here, we tested whether five days with restricted sleep and subsequent recovery days affect subjective health and is related to increased levels of circulating IL-6 and TNF-α and fatigue. Nine healthy men (23-28. years) went through a 6-week sleep protocol with subjects as their own controls in a repeated measures design with a total of 11 nights in a sleep laboratory. The experimental part of the protocol included three baseline days (sleep 23-07. h), five days with sleep restriction (03-07. h) and three recovery days (23-07. h) in the sleep laboratory. Subjective health and fatigue was recorded daily. Eight blood samples were drawn each day (every third hour) on 8. days of the protocol and analyzed with respect to IL-6 and TNF-α. Subjective health deteriorated gradually during restricted sleep (p=.002) and returned to baseline levels after three days of recovery. IL-6 and TNF-α did not change significantly. Fatigue increased gradually during sleep restriction (p=.001), which significantly contributed to the association between restricted sleep and subjective health. The study is the first to show that subjective health is directly responsive to changes in sleep length and related to increased fatigue. Thus, subjective health is differently appraised after manipulation of one of its presumed determinants. Larger experimental studies would be beneficial to further distinguish causation from association regarding the underpinnings of subjective health.

Original languageEnglish
Pages (from-to)43-46
Number of pages4
JournalBrain, Behavior, and Immunity
Volume34
DOIs
Publication statusPublished - Nov 2013
Externally publishedYes

Keywords

  • Cytokines
  • Fatigue
  • Inflammation
  • Self-rated health
  • Sleep
  • Sleep restriction
  • Subjective health

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