Essentials: Timing Light for Better Sleep, Energy & Mood
August 21, 2025 · 30 min · 14 chapters
Chapters
- 0:00Samer Hattar
- 0:27Light, Circadian Clock vs Solar Day, Sleep-Wake Cycle
- 3:20Eyes, Photoreceptors & Light Entrainment, Blindness, Sleep
- 6:17Morning Light, Artificial Lights, Tool: Morning Sunlight Exposure
- 8:32Jet Lag Without Traveling, Sleep Issues, Screens, Staying Indoors
- 9:34Chronotypes, Intrinsic Circadian Rhythms
- 11:16Afternoon & Evening Light, Tools: Dimming Lights, Reduce Screen Use
- 13:20Light Exposure & Effects on Stress, Mood & Learning, Tripartite Model
- 16:33Light & Appetite, Tool: Regular Meal Times
- 19:42Using Light to Improve Sleep, Mood & Mental Health
- 21:24Jet Lag, Tools: Temperature Minimum; Eat on Local Schedule, Avoid Mismatched Light Exposure
- 24:57Sleep Issues, Light-Dark Cycle
- 26:29Seasonality, Seasonal Depression; Daylight Savings Time
- 29:53Acknowledgements
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