EEG

beta waves

alpha waves

stage 1

stage 2

stage 3/4

REM sleep

who sleeps?

circadian rhythm

thalamus activity during sleep

pons activity during REM

loss of REM-related atonia

narcolepsy

myotonia congenita (fainting goat syndrome)

YH Case

Why sleep?

preservation and protection theory

restoration theory

memory consolidation and insight

sleep deprivation experiments

why dream?

latent thought

manifest content

activation-synthesis model

cardinal cognitive features of dreams