PSYCHOLOGY OF EMOTIONS

Detailed explanation-1: -The body cycles through all of these stages approximately 4 to 6 times each night, averaging 90 minutes for each cycle.[1] This article will discuss the progression of the sleep stages and the unique features associated with each.

Detailed explanation-2: -The sleep cycle repeats itself about an average of four to five times per night, but may repeat as many as seven times. Thus, you can see how a person can have several different dreams in one night. Most people, however, only remember dreams that occur closer toward the morning when they are about to get up.

Detailed explanation-3: -Sleep cycles across the night are only approximately 90 minutes in length. There are lots of individual differences in cycle length and the variation may be from around 60 to 110 minutes. There may also be unpredictable differences in the same individual from night to night.