What happens to mood, performance and sleep in a laboratory study with no sleep deprivation?

Jessica L. Paterson, Jill Dorrian, Sally A. Ferguson, Sarah M. Jay, Drew Dawson

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


There are few studies examining changes in waking function in a laboratory environment with no sleep deprivation and mood has been largely overlooked in this context. The present study examined changes in mood, performance, sleep and sleepiness in the laboratory study with no sleep deprivation. Nineteen participants (10M, 9F; 22 ± 4.2 years) were given nine 9-h sleep opportunities (23.00-08.00 hours). Every 2h during wake, participants completed the Mood Scale II, a 10-min Psychomotor Vigilance Task and measures of sleepiness and fatigue. Sleep was monitored using an electroencephalographic montage. Findings revealed significant negative mood change, performance impairment, reduced total sleep time and sleep efficiency (all P < 0.05). These findings suggest that the laboratory environment or procedural factors may impair mood, performance and sleep. These findings may have implications for interpreting impairments in mood, performance and sleep when observed in laboratory environments.

Original languageEnglish
Pages (from-to)200-209
Number of pages10
JournalSleep and Biological Rhythms
Issue number3
Publication statusPublished - Jul 2013
Externally publishedYes


  • Control condition
  • Laboratory environment
  • Mood
  • Performance
  • Sleep


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