Relacionar Columnas sleep and dreamsVersión en línea sleep and dreams por cate chodnicki 1 information processing theory 2 freud's wish fulfillment 3 theta waves 4 sleep functions 5 narcolepsy 6 sleep cycle 7 beta wave 8 circadian rhythm 9 Insomnia 10 alpha wave slow waves of light sleep dreams express unacceptable feelings awake and relaxed biological clock 90 minute repeating pattern of NREM and REM sleep awake and alert difficulty falling asleep or staying asleep protection, recovery, memory, and growth sudden attacks of overwhelming sleepiness helps sort through day's events and consolidate memories