Infants may spend so much time in REM sleep because REM sleep is
a. needed for the formation of a strong id.
b. important for learning and memory processes.
c. critical for normal muscle and reflex development.
d. necessary to ensure the infant continues to breathe during sleep.
Question 2
As an average newborn, Kit would spend about ______ percent of his sleeping hours in REM sleep.
a. 25
b. 50
c. 75
d. 100