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SLEEP (sleep (disorders (sleepwalking, somnambulism (not acting out dreams…

- - - - not acting out dreams
      - walking around during sleep
    - - possible causes
        
        obesity
        
        alcohol consumption
      - repeatedly stopping of breathing
        
        awakening after a minute or so without air
    - - can be treated; cause unknown
      - inability to stay awake (sleeping throughout the day) for a few minutes
        
        REM sleep
    - - most common
        
        inablity to fall asleep/maintain asleep
        
        possible causes
        
        stimulant
        
        alcohol
        
        chronic stress
  - - - dreaming occurs
      - REM
        
        deprivation
        
        William Dement
        
        waking participants up in the REM phase
        
        REM phase extends
        
        REM rebound
        
        Aserinsky, Kleitman
      - delta waves
        
        similar brain waves to being awake
        
        paradoxical sleep
    - - sleep spindles
        
        occasionally broken up by K complexes
        
        K complex
        
        large, slow wave
      - skeletal muscles relax
    - - brain waves
        
        falling asleep
        
        theta wave
        
        awake, more relaxed
        
        alpha waves
        
        relaxed and focused
        
        beta waves
      - measured with EEGs
        
        provide a picture of the electrical activity of the brain
  - - - paranoia
    - - hallucinations, illusions
    - - less tolerable
    - - tolerable