Challenging puzzle for experienced crossword solvers
Restful Rhythms and Sleep Science
Moderate difficulty suitable for most players
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Across
- 1. Important action to do during the day to avoid sleep disruption
- 2. Feeling sleepy but not fully asleep
- 3. Biological clock regulating sleep-wake cycles
Down
- 4. A person who regularly gets restorative rest
- 5. Hormone that signals the body to prepare for sleep
- 6. Short daytime sleep to improve alertness
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