Sleep opportunities and periodic light exposures: Impact on biomarkers, performance and sleepiness

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

A within-subjects study investigated the impact of sleep opportunities and periodic light exposures on biomarkers, performance and sleepiness over 27-hour sessions. Ten subjects experienced three experimental sleep sessions: No sleep; sleep for 3 hours; and sleep for 7 hours. Subjects remained in dim red light for every experimental session, except when they were exposed to 40 lux of 470-nm light at the cornea for 50 minutes. Saliva samples for biomarker assays, performance scores on psychomotor vigilance tests and self-reports of sleepiness were collected just prior to and at the end of the light exposures. All measures follow circadian patterns that mark the transitions between daytime and nighttime, but they have different forms and are differentially affected by light exposure, sleep and circadian time.

Original languageEnglish
Pages (from-to)349-369
Number of pages21
JournalLighting Research and Technology
Volume43
Issue number3
DOIs
StatePublished - Sep 2011
Externally publishedYes

Fingerprint

Dive into the research topics of 'Sleep opportunities and periodic light exposures: Impact on biomarkers, performance and sleepiness'. Together they form a unique fingerprint.

Cite this