Avoid bright light at night
Every recorded take from the experts Cited tracks — each with the exact quote, source, and timestamp.
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In a protocol
From 10pm-4am avoid bright artificial lights especially overhead; use only minimal light placed low to the ground.
“between 10 p.m. and 4 a.m., avoid those bright artificial lights as much as possible
HL▶ 56:00DosageAvoid bright artificial light 10pm-4am; use low-placed lamps, candlelight, moonlightCaveatsEven dim light can disrupt circadian; overhead lights worstCertaintyexplicitstrong endorsement -
In a protocol
Avoid bright light exposure to your eyes between 10pm and 4am to protect circadian health.
“avoiding bright light exposure to your eyes between the hours of 10 p.m. and 4 a.m.
HL▶ 4:20Dosage10pm–4am windowCertaintyexplicitrecommendation -
In a protocol
Reduce screen and bright/blue light exposure in the evening to avoid melatonin suppression.
“avoiding blue light at night
TD▶ 22:50DosageReduce screens and bright lights in eveningCertaintyexplicitstrong endorsement -
In a protocol
Keep indoor light at or below 10 lux in the three hours before sleep to avoid suppressing melatonin.
“keep indoor light at or below 10 lux
TM▶ 23:30Dosage≤10 lux for 3 hours before intended sleep; e.g., a single low-wattage lampCaveatsNot comfortable for typical tasks like cooking or working; requires deliberate effortCertaintyexplicitstrong endorsement -
In a protocol
Reduce light exposure at night to support sleep.
“light closure at night
TM▶ 24:15DosageAt nightCertaintyexplicitrecommendation -
Avoid blue light exposure at night as part of basic sleep hygiene.
“avoiding blue light exposure at night for optimizing sleep
FO▶ 0:47Certaintyexplicitoffhand mention -
In a protocol
Avoid bright artificial lights of any color, especially overhead lights, between 10pm and 4am to protect circadian rhythm and melatonin.
“avoid bright artificial lights of all colors... between 10 p.m. and 4 a.m.
HL▶ 59:50DosageBetween 10pm-4am; dim lights, use low-placed lamps, candlelight or moonlightCertaintyexplicitstrong warning