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