For Practice Stages of Sleep

Psyc 2301 - Patterson

 

Use the space below to create a visual summary of the brain wave and physiological changes that occur as your body moves from an awake state through the stages of sleep typical for one night of sleep. Use arrows to indicate the progression through the stages throughout the course of a night.

 

Stage

Brain wave activity

Other descriptions

Awake

 

 

non-REM Stage 1

 

 

non-REM Stage 2

 

 

non-REM Stage 3

 

 

non-REM Stage 4

 

 

REM

 

 

 

 


For Practice Stages of Sleep - Answers

Psyc 2301 - Patterson

 

 

Stage

Brain wave activity

Other descriptions

Awake

beta

 

non-REM Stage 1

alpha

hypnic jerk occurs here

non-REM Stage 2

theta

sleep spindles and K complex are seen in this stage

non-REM Stage 3

delta waves

initial appearance of delta waves, they make up minority of brain wave activity

non-REM Stage 4

more than 50% delta waves

deepest stage of sleep, hardest to wake the person up, sleep walking and night terrors occur in this stage

REM

beta

skeletal muscles are paralyzed (except for people with REM behavior disorder), eyes dart back and forth rapidly below the eyelids