ZZZZZZZZZZZZZ

123456789
Across
  1. 3. Falling into a light, often unintentional sleep.
  2. 5. Walking or performing other actions while still asleep.
  3. 7. A distressing or terrifying dream experienced during sleep.
  4. 8. A person who wakes up and is active early.
Down
  1. 1. The habitual timing and quality of an individual's sleep.
  2. 2. A dream that is repeatedly experienced over time.
  3. 4. Sleeping beyond the intended time of awakening.
  4. 6. A person who stays active late into the night.
  5. 9. Remaining in bed longer than usual, especially in the morning.