Moderate difficulty suitable for most players
Circadian Labyrinths of Somnolence
Challenging puzzle for experienced crossword solvers
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Across
- 1. Specialist designing optimized sleep environment and schedules
- 2. Pertaining to the transition state from sleep to wakefulness
- 4. Phenomenon of increased rapid-eye-movement after deprivation
- 8. Mental state of sustained attention, often sleep-deprived
- 9. Category of sleep disorders disrupting quantity or quality
Down
- 3. Comprehensive nocturnal neurophysiological recording technique
- 5. State of strong desire for sleep or drowsiness
- 6. Intrinsic ~24-hour biological cycle organizing sleep timing
- 7. Deep non-REM sleep phase marked by delta brain waves
- 10. Pertaining to the transitional state before sleep onset
- 11. Pineal hormone regulating circadian rhythms and darkness
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