pysch

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Across
  1. 4. bad nightmares
  2. 6. REM
  3. 9. can't sleep
  4. 11. what makes you sleep
  5. 13. 24hr body cycle
  6. 14. sleep walking
  7. 15. twitching
  8. 16. involuntary urination
Down
  1. 1. changes in a 24 hour cycle
  2. 2. not proper oxygen at rest
  3. 3. attacks of sleep
  4. 5. hibernation
  5. 7. being awake
  6. 8. cycle that changes body chemicals
  7. 10. keeps body in homeostasis
  8. 12. grind teeth