HD: Sleep crossword

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Across
  1. 4. a type of memory that stores information
  2. 5. sleep where you tend to have vivid dreams
  3. 7. sleep disorder that can make it hard to fall asleep or stay asleep
  4. 9. a condition of being fully conscious
  5. 11. A feeling of a lack of mental or physical energy
  6. 12. apnea Sleep disorder that occurs when a person’s breathing is interrupted during sleep
  7. 13. condition where people experience excessive sleepiness or uncontrollable sleep attacks
  8. 16. stimulant that is found in food/drinks that can interfere with sleep
Down
  1. 1. A primary disturbance of sleep initiation, maintenance or excessive sleepiness.
  2. 2. a hormone that considered to regulate the sleep- wake cycle
  3. 3. series of mental images and emotions occurring during sleep
  4. 6. feeling of extreme tiredness
  5. 8. rhythm/process that regulates the sleep–wake cycle
  6. 10. Noise produced primarily with inspiratory respiration during sleep
  7. 14. a natural and periodic state of rest
  8. 15. A short sleep episode during routine wakefulness