Sleep
Evening Light Dimming
Evening light dimming reduces bright and blue-rich light before bed so melatonin rises on time. Warm, low-angle lighting and screen limits support faster sleep onset.
Evening light dimming lowers room brightness and blue-rich screens one to two hours before bed so melatonin can rise on schedule. Warm lamps, sidelights, and device night modes beat overhead LEDs at full blast.
Pair dimming with calmer tasks—not inbox heroics under a single spotlight.
Common questions
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When should you start dimming lights?
Begin sixty to ninety minutes before target sleep. Consistency matters more than perfection—same sequence nightly trains the brain faster than occasional dark mode.
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Are warm bulbs enough without blue-block glasses?
Low brightness warm light helps many people; glasses add value if you must use bright screens late. Combine both when sleep onset stays delayed.
Related terms
Put Evening Light Dimming into practice
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