Infant sleep is characterized by sleep cycles than those of adults, with proportionally more sleep.

a. deeper; stage 1
b. shorter; rem
c. longer; stage 2
d. longer; stage 3

The correct answer is letter B

Usually when you are sleeping, you start at stage 1 and go through each step until you reach REM sleep. The cycle restarts every 90-110 minutes. Your brain acts differently at each stage. In some steps your body moves, while in others you remain completely still.

answer; cultural trait;