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Proceedings of the National Academy of Sciences· 2014Q1

Evening use of light-emitting eReaders negatively affects sleep, circadian timing, and next-morning alertness

Anne‐Marie Chang, Daniel Aeschbach, Jeanne F. Duffy, Charles A. Czeisler

Short summary

Reading on a light-emitting eReader (LE-eBook) before bed delays sleep onset, reduces evening sleepiness, and suppresses melatonin compared to reading a printed book.

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Field: Endocrine and Autonomic Systems

Endocrine and Autonomic SystemsNeuroscience