Question

the hypothalamus sits just above the point where optic nerves cross and when these nerves signal to the hypothalamus that it is getting dark, the scn will encourage the production of melatonin, a sleep hormone, to make you feel tired, telling the body its time to rest. body will then pass through a number of stages whilst sleeping, with circadian rhythm regulating the production of certain hormones and bodily functions. levels of melatonin usually peak at around 2-4 am and, as it approaches daylight, the scn will trigger the release of cortisol to help you feel more

Answer 1

it will help you to feel more sleepy...