Sleep and Recovery Crossword

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Across
  1. 2. Involuntary opening of the mouth from tiredness
  2. 4. Thoughts and images while sleeping
  3. 8. Not asleep
  4. 10. To fall into a light sleep
  5. 11. Natural state of rest
Down
  1. 1. Harsh breathing sound while sleeping
  2. 3. Stage associated with vivid dreaming
  3. 5. To become less tense or stressed
  4. 6. A short sleep during the day
  5. 7. Furniture used for sleeping
  6. 9. To relax and recover strength