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