Exposure to room light before bedtime surpresses melatonin onset and shortens melatonin duration in humans

Joshua Gooley, Kylie Chamberlain, Kurt Smith, Sat Khalsa, Shanthakumar M W Rajaratnam, Eliza Van Reen, Jamie Zeitzer, Charles Czeisler, Steven Lockley

Research output: Contribution to journalArticleResearchpeer-review

308 Citations (Scopus)


We tested the hypothesis that exposure to room light in the late evening suppresses the onset of melatonin synthesis and shortens the duration of melatonin production.
Original languageEnglish
Pages (from-to)E463 - E472
Number of pages10
JournalThe Journal of Clinical Endocrinology and Metabolism
Issue number3
Publication statusPublished - 2011

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