Question

Which of the following occurs during rapid eye movement (REM) sleep?

		The muscles relax, and body temperature, blood pressure, heart rate, and respiratory rate fall.
		The muscles are very relaxed and body temperature, blood pressure, and heart rate, and respiratory rate are at their lowest levels.
		The muscles are paralyzed, and body temperature, blood pressure, and heart rate and respiratory rate increase.
		A person falls into light sleep.
		A person begins to relax and feels drowsy.

Answer 1

Answer - The muscles are paralysed, and body temperatire,blood pressure,and heart rate and respiratory rate increases.

Explanation

REM phase starts after 90 min after falling sleep. Eye ball movement becomes fast and breathing,heart rate increases to the naer to waking level.Legs and arm muscles becomes temporarily paraltsed.

Non REM phase has three stages ,it occurs before REM.During stage 1 Non REM,muscle relaxation,heart beat,blood pressure ,respiratory rate and body temperature starts falling and it become at lowest by reaching at Non REM stage 3.Non REM starts from wakefulness to sleep, lighter sleep followed by deep sleep during these three stages.Eye movement stops in this period.