TrueDark sells lenses for evening and sleep. They are a behavioral cue as much as an optical filter.
Sleep
Limited evidence
TrueDark Glasses
Evening glasses that cut more than just blue.
How to use
Put them on 60–90 minutes before bed. Dim the house too.
Details
- Type
- Device
- How it works
- Filters short-wavelength light that can delay melatonin.
- Scientific evidence
- Blue-light timing matters; branded lenses vary.
Editorial rating ★ 3.9
Helps if you cannot dim screens. Do not wear them all day.
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