Sleep Medicine
Volume 4, Issue 4 , Pages 327-331 , July 2003

Contextual factors and perceived self-reported sleepiness: a preliminary report

Received 9 October 2002 ,Revised 23 December 2002 ,Accepted 24 December 2002.

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PII: S1389-9457(03)00002-9

doi: 10.1016/S1389-9457(03)00002-9

Sleep Medicine
Volume 4, Issue 4 , Pages 327-331 , July 2003