What part of the brain is influential in determining when to sleep?
A) hippocampus
B) hypothalamus
C) thalamus
D) frontal lobe

Question

Quizplus · Accepted Answer

The hypothalamus plays a crucial role in regulating the sleep-wake cycle through sending signals to the rest of the body to promote either wakefulness or sleepiness. Specifically, the suprachiasmatic nucleus (SCN) within the hypothalamus helps to synchronize one's internal clock with the external environment, thereby influencing the timing of when one feels the need to sleep.

What Part of the Brain Is Influential in Determining When