Andrew Huberman· PhD
The combined effects of bright light and exercise have a synergistic effect on circadian clock shifts.
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
The combined effects of bright light and exercise have a synergistic effect on circadian clock shifts.
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if you want to become an an early riser get light in your eyes and get activity in your body early in the day you you built that you entrained to those rhythms
So you can use strategically light. So, early light exposure and then, you know, melatonin. >> Yeah, you can help with that. >> You can give people melatonin to you can give melatonin low that lowd dose half milligram melatonin as a phase shifting dose and light as a phase shifting dose of bright light. You can you can do that if you if you get a 20-year-old up early, flood them with bright light and movement, physical activity, exercise, movement is extremely powerful also as a phase shifter.
movement is extremely powerful also as a phase shifter.
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Long-term morning sunlight reduces age-related macular degeneration risk.
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Tracking deep sleep on a wearable accurately reflects EEG-measured slow-wave sleep.
Caffeine has a half-life long enough that consumption after 2pm measurably degrades deep sleep in slow metabolizers.