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Light Suppresses Melatonin Secretion in Humans

1980; American Association for the Advancement of Science; Volume: 210; Issue: 4475 Linguagem: Inglês

10.1126/science.7434030

1095-9203

Alfred J. Lewy, Thomas A. Wehr, Frederick K. Goodwin, David A. Newsome, Sanford P. Markey,

Sleep and Wakefulness Research

Bright artificial light suppressed nocturnal secretion of melatonin in six normal human subjects. Room light of less intensity, which is sufficient to suppress melatonin secretion in other mammals, failed to do so in humans. In contrast to the results of previous experiments in which ordinary room light was used, these findings establish that the human response to light is qualitatively similar to that of other mammals.