Melatonin Shifts Human Orcadian Rhythms According to a Phase-Response Curve
Chronobiology InternationalPublished 1 January 1992
Alfred J. Lewy, Saeeduddin Ahmed, Jeanne M. Jackson, Robert L. Sack
Citations697
SJR quartileQ2
SJR score0.75
SNIP0.70
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TL;DR
The human melatonin PRC provides critical information for using melatonin to treat circadian phase sleep and mood disorders, as well as maladaptation to shift work and transmeridional air travel.
Abstract
A physiological dose of orally administered melatonin shifts circadian rhythms in humans according to a phase-response curve (PRC) that is nearly opposite in phase with the PRCs for light exposure: melatonin delays circadian rhythms when administered in the morning and advances them when administered in the afternoon or early evening. The human melatonin PRC provides critical information for using melatonin to treat circadian phase sleep and mood disorders, as well as maladaptation to shift work and transmeridional air travel. The human melatonin PRC also provides the strongest evidence to date for a function of endogenous melatonin and its suppression by light in augmenting entrainment of circadian rhythms by the light-dark cycle.
Keywords
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