Sleeping

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Across
  1. 4. – To sleep for a long period, like some animals do
  2. 5. off – Falling asleep unintentionally, often during the day
  3. 6. – A short, light sleep, often during the day
  4. 8. – Feeling sleepy and lethargic
Down
  1. 1. – The imaginary environment within a dream
  2. 2. – Extremely céléra and detailed (as in a vivid dream)
  3. 3. – Extreme tiredness, often from lack of sleep
  4. 7. experience – The feeling of leaving your physical body, common in lucid dreams