Health & Energy · Topic
Sleep & Circadian Rhythm
Sleep timing, regularity, environment, and daily rhythms.
Status: growth-gap. 2 current library entries map here through legacy or reviewed record-level classification.
- Protect Enough Sleep Opportunity and Track Daytime FunctionIf your sleep is routinely short, protect a realistic window that gives you enough opportunity to sleep and observe simple trends in sleep timing and daytime alertness. Do not deli
- Move Caffeine Earlier When Sleep MattersIf caffeine may be reaching into the night, move the last dose earlier and reduce large late-day doses. A 2025 randomized crossover trial found that a single 400 mg dose disrupted