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Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
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Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

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The 24-hour variation of mood differs between morning- and evening-type individuals

G A Kerkhof1

  • 1Department of Physiology, University of Leiden, The Netherlands. kerkhof@rullf2.leidenuniv.nl

Perceptual and Motor Skills
|April 8, 1998
PubMed

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