Sleep and Dreaming

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Across
  1. 2. This is emitted from phones and doesn't help you sleep
  2. 3. A dream that is experienced repeatedly
  3. 5. NREM recovers the ______
  4. 6. A dream when the person knows they are dreaming
  5. 9. REM
  6. 12. You are _____ in REM
Down
  1. 1. A hormone your brain produces in a response to darkness
  2. 4. The sleep ______ lasts 90 minutes
  3. 7. happen in REM sleep
  4. 8. The brain wave that is recorded when you are awake and REM sleep
  5. 10. REM recovers the ______
  6. 11. Humans need an average of 7 to 9 hours of this