Across
- 2. A dream in which the sleeper is aware they are dreaming
- 5. The waves created while relaxed or tired
- 6. A jerk like muscular twitch that occurs when a person is falling asleep
- 8. Theory that sleep evolved as an adaptive mechanism to help us survive the night time
- 14. The waves created while fully awake
- 15. Theory that sleeping serves the function of repairing and restoring the body
- 17. A state of sleep characterized by three stages of sleep
- 19. The content of the dream that is remembered or recounted
- 20. During REM sleep your muscles are suppressed in function due to what
Down
- 1. A sleep study involving a series of tests performed during sleep
- 3. The content Freud believed that dreams had hidden meanings
- 4. One of the most common dreams
- 7. Physiological changes that repeat at about 24-hour intervals
- 9. Theory that while sleeping our brains process information from our day
- 10. The waves created in the first stage of sleep
- 11. A dream arousing feelings of intense fear and distress
- 12. The waves created in the third through fourth stages of sleep
- 13. A series of images, ideas, and emotions that occur during sleep
- 16. The stage of sleep in which you dream
- 18. A disturbance in sleep induced by a major shift in environmental time zones