Twilight State
Relaxed state just before we fall asleep
REM Sleep
The stage of sleep when dreams occur
Beta Waves
Rapid brain waves; appear when a person is awake
Alpha Waves
fairly relaxed brain wave that occur in stage 1, just before we go to sleep
Delta Waves
Slow, lazy,deep sleep brain waves that occur during deep sleep
NREM Sleep
involves partial thoughts images or stories that are poorly organized
Theta Waves
occur during REM hypnosis and lucid dreaming
Nightmare
Frightening dream that occurs during REM
REM rebound
increase in number of dreams after being deprived of REM sleep
Night Terror
Horrible dream during NREM when the body isn’t prepared for it