| A | B |
| sleep attacks | narcolepsy |
| dissatisfaction with amount of sleep | insomnia |
| getting too much sleep | hypersomnia |
| frequent stops of breathing | apnea |
| frightening awakening with high physiogical arousal | night terrors |
| sleep walking | somnambulism |
| sleep talking | somnilloquy |
| drug that alters ones perception | hallucinogens |
| pain killers | opiates |
| speeds up bodily functions | stimulants |
| slows brain activity | depressents |
| short bursts of distinctive brain activity | sleep spindles |
| sudden temporary paralysis of muscles | cataplexy |
| crib death | Sudden infant death syndrome |
| altered state of consciousness characterized by an increased openness to suggestion | hypnosis |
| activation-synthesis | Hobson's law |
| expression of unconscious desires | wish fulfillment |
| ones capacity to become hypnotized | hypnotic susceptibility |
| images that have deeper symbolic meaning | dream symbols |
| dreaming extra amounts the night after | REM rebound |