Insomnia
alpha wave
sleep cycle
beta wave
sleep functions
theta waves
narcolepsy
circadian rhythm
freud's wish fulfillment
information processing theory
dreams express unacceptable feelings
biological clock
awake and alert
difficulty falling asleep or staying asleep
slow waves of light sleep
protection, recovery, memory, and growth
helps sort through day's events and consolidate memories
sudden attacks of overwhelming sleepiness
awake and relaxed
90 minute repeating pattern of NREM and REM sleep
