AP PSYCHOLOGY

Detailed explanation-1: -2. With the approach of night, our body temperatures begin to drop. This best illustrates the dynamics of the a. hypnagogic state.

Detailed explanation-2: -Body Temperature It tends to go up and down a little during the day, and the same is true at night, although while you’re sleeping it can be 1 to 2 degrees lower than in the daytime. Body temperature starts to fall as bedtime approaches, paving the way for a good night’s sleep.

Detailed explanation-3: -The circadian system modulates metabolic heat production to generate the body temperature rhythm, which challenges homeothermy but does not abolish it. Individual cells do not regulate their own temperature, but the relationship between circadian rhythms and metabolism at the cellular level is also discussed.

Detailed explanation-4: -circadian rhythm, the cyclical 24-hour period of human biological activity. Within the circadian (24-hour) cycle, a person usually sleeps approximately 8 hours and is awake 16. During the wakeful hours, mental and physical functions are most active and tissue cell growth increases.

Detailed explanation-5: -Which of the following represents a circadian rhythm? Our bodies sleep-wake on a roughly 24 hour schedule.