hat
Fòt la se kondisyon yo ekleraj chanje. Nan fènwa a, gland la pineal degaje Melatonin, yon òmòn dòmi-pwovoke ki kraze pa limyè. Si klere a ki disparèt, nivo melatonin la rete segondè, epi atitid la desann nan zewo. Etid yo montre ke lage naktik melatonin a pwolonje pa apeprè mwatye yon èdtan nan sezon fredi konpare ak ete.
eng
The fault is the changed lighting conditions. In the dark, the pineal gland releases melatonin, a sleep-inducing hormone that is broken down by light. If the brightness is missing, the melatonin level remains high and the mood drops to zero. Studies have shown that nocturnal melatonin release is prolonged by about half an hour in winter compared to summer.