UNIT 2 - NIGHT DREAM

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Across
  1. 2. This is an informal expression. It means to go to bed to sleep
  2. 4. Stop sleeping
  3. 8. To enter
  4. 9. Fall asleep easily, without intending to
  5. 12. To sleep without waking up during the night
  6. 14. The oscillation between the slow-wave and REM phases of sleep
  7. 16. go to bed later than usual
  8. 17. A brief rest
  9. 20. To sleep for a short period of time
  10. 21. To enter
Down
  1. 1. Stop sleeping and leave bed
  2. 3. Very busy
  3. 5. Sleep at a friend’s house
  4. 6. Stay in bed after the time you usually get up
  5. 7. Suddenly to start sleeping when
  6. 10. The state of being concentrated
  7. 11. Sleep longer than wanted
  8. 13. during the day
  9. 15. To sleep until a later time than usual
  10. 16. Sleep longer than wanted
  11. 18. Very tired
  12. 19. are very tired