Question

During the course of a full night's sleep, people are most likely to spend more time in which stage of sleep?

1) stage 4 sleep
2) REM sleep
3) stage 3 sleep
4) stage 2 sleep

Answer 1

During a full night's sleep, people are most likely to spend more time in REM sleep.

Step-by-step explanation:

During a full night's sleep, people are most likely to spend more time in REM sleep. REM sleep is characterized by rapid movements of the eyes, high brain activity, and dreaming. It is also associated with paralysis of muscle systems in the body, except for those that make circulation and respiration possible.