Across
- 1. rapid brain waves; appear when the person is awake
- 3. frightening dream during REM
- 6. slow, lazy, deep-sleep brain waves
- 8. Increase in the number of dreams after being deprived of them
- 10. inability to get enough sleep
- 11. sequences of behavioral changes that occur during 24 hours and then start over
- 12. Internal chemical units that control parts of the body and are regulated by nature
- 16. A concept requiring a belief in something that cannot be seen or touched, but that seems to exist
- 18. the process of altering the free-running cycle to fit a different rhythm
- 19. sleep involving partial thought, images or stories, poor organization
- 20. A form of self control in which the outside world is cut off from consciousness
Down
- 2. breathing stops while someone is asleep, waking the person
- 4. a biological clock that is under its own control
- 5. Rapid eye movement sleep when we dream
- 7. relaxed state just before we fall into deep sleep
- 9. study of forces that control the body at different times of day, month, or year
- 13. A night terror; a horrible dream occurring during NREM when body is not prepared
- 14. stage one, fairly alert brain waves occurring just before going to sleep; relaxed
- 15. another word for the state of deep relaxation that can occur during hypnosis
- 17. disorder in which one falls instantly into sleep no matter what is going on in the enviorment