Sleep Cycles

N1

100

How do you feel during this stage?

Hazy, from awake to sleep

200

True or false, this stage last from 5-10 minutes

false

N2

100

How long does this stage last?

10-60 minutes

200

What does your body transition into?

Deep sleep

N3

100

What is this stage of sleep called?

Deep sleep

200

Name two of the four things that occur during this stage of sleep

Processing memories, releases growth hormones, regrows bone cells, and strengthens the immune system

N4

100

True or false: This stage is the stage with the least amount of brain activity out of the four

False

200

What does REM stand for?

Rapid Eye Movement

Other facts

100

On average, how many cycles does your body go through?

5-6 cycles

200

How often do the sleep cycles repeat every night?

Every 90 minutes