Sleep or Rest....thats the question

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Across
  1. 2. i dream at this stage
  2. 3. to close eyes for rest
  3. 5. cyclic pattern of physical, emotional, or mental activity
  4. 7. the day of restoration
  5. 8. the sabbath day can be found in this book
  6. 9. a daily cycle of activity
  7. 11. a stage of sleep
Down
  1. 1. mental and physical are the ____ of rest
  2. 4. a cycle consisting of 7 days
  3. 6. the rest and rejuvenating hormone
  4. 10. to recover strength
  5. 12. this book identifies the benefits of rest