Blue light blocking
Also known as: blue blockers, evening light management
BBuilding Evidence49/1002 studies referenced
Wearing blue-blocking glasses or dimming screens 2 hours before bed to prevent melatonin suppression.
How to do it
- 1Put on blue-blocking glasses 2 hours before bedtime
- 2Switch devices to night mode
- 3Dim overhead lights or use warm/red lighting
- 4Avoid bright bathroom lights before bed
Safety notes
Ensure glasses block 450-490nm wavelengths specifically.
Studies on Blue light blocking (2)
Health domains
Questions about Blue light blocking
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