7 dic 1980 anni - Alfred Lewy
Descrizione:
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
Aggiunto al nastro di tempo:
Data:
7 dic 1980 anni
Adesso
~ 43 years ago
