Sleep Pattern Influences Lab

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1. Body Clock — The circadian system helps coordinate sleepiness and alertness across the day.
2. Light and Screens — Bright evening light can delay signals that support sleep.
3. Schedule and Stress — Irregular schedules, heavy demands, and worry can disrupt sleep.
4. Caffeine and Substances — Caffeine and other substances can alter alertness and sleep quality.
5. Sleep Environment — Light, sound, temperature, comfort, safety, and interruptions affect sleep.

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