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7 dic 1980 año - Alfred Lewy

Descripción:

Exposure to artificial light can suppress melatonin secretions in humans.
People should not be exposed to light at least two hours prior to bed time.
People have variability of sleep onset and variability of sleep need

Añadido al timeline:

ByK
9 oct 2018
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fecha:

7 dic 1980 año
Ahora mismo
~ 44 years ago