sleep

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Across
  1. 4. to show or reveal
  2. 6. happening again and again for a long time
  3. 8. needed
  4. 9. becoming better/worse over time through adding things up
  5. 10. death or dying
Down
  1. 1. mental activities such as thinking or learning
  2. 2. oppositely or contradictory to what we expect
  3. 3. all of your DNA or genes
  4. 5. a condition in which a part of your body is not working well
  5. 7. the time between you seeing something and your reaction to it