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