Best Blue-Light Tools for Better Sleep (2025)

Quick picks

  • Best overall: NightView Amber Pro — strong blue/green blocking without migraine-inducing pressure points
    Buy NightView Amber Pro →

  • Best screen filter: WarmGlass 3000K (macOS/Win) — consistent 3000K after-sunset preset with schedule
    Download WarmGlass →

  • Best mobile app: Twilight (Android) / iOS Focus Filter — reliable, simple schedules
    Get Twilight →

Why these work

Blue and green wavelengths suppress melatonin. Our picks reduce short-wavelength light enough to help you feel sleepy while keeping color fidelity usable for normal evening tasks.

How we test

  • Measured spectra with pocket spectrometer at 400–520 nm bands
  • Tracked bedtime and sleep latency over 14 nights
  • Comfort + adherence scoring

Alternatives

FAQs

Do I need dark red lenses? Not unless you’re extremely sensitive. Amber is enough for most people.