Blue Light Glasses for Sleep: The Complete Guide

Melavue Midnight red lens glasses on a stack of books next to a dimmed lamp on a cream background

Short answer: Blue light glasses for sleep are tinted lenses you wear in the evening to cut the bright, blue-rich light from screens and lamps that tells your brain it's still daytime. Worn for the last 1–3 hours before bed, they've helped people sleep longer and rate their sleep better in controlled studies (SLEEP Advances, 2020; Shechter et al., 2018). The tint matters most: red lenses let through the least of the light that affects your body clock (Mason et al., 2022). That's what Midnight, our deepest red lens, is made for.

How do blue light glasses help you sleep?

Your body clock uses light to decide whether it's day or night. As evening comes, your brain releases melatonin, the hormone that helps you feel ready for sleep. Bright light holds it back, and the blue part of the spectrum is the most potent at doing so at night (Brainard et al., 2001).

It isn't only your phone. In a lab study of more than 100 healthy young adults, ordinary room light before bed delayed the start of melatonin in 99% of people, cut presleep melatonin by about 71% and shortened the body's melatonin "night" by about 90 minutes compared with dim light (Gooley et al., 2011).

Sleep glasses filter that light at your eyes, whatever the source: phone, laptop, TV or ceiling lights. In a study of teens on LED screens in the evening, blue-blocking glasses reduced the screen's melatonin suppression compared with clear lenses, and the teens felt sleepier before bed (van der Lely et al., 2015).

What results have people seen?

  • Longer, better sleep in people who struggle to sleep. Adults with insomnia symptoms who wore amber-tinted glasses for two hours before bed for a week reported longer, better and sounder sleep, and their wrist trackers recorded more sleep than with clear lenses (Shechter et al., 2018).
  • Better sleep quality and mood. Adults who wore amber lenses for three hours before bed for two weeks rated their sleep quality and mood higher than a control group (Burkhart & Phelps, 2009).
  • Benefits across most studies. Eight of 12 evening-glasses studies found some benefit, with pooled gains in sleep time and sleep efficiency and larger gains in self-rated sleep quality (SLEEP Advances, 2020).

Results vary from person to person, and the biggest gains show up in people who have trouble sleeping or a late body clock (SLEEP Advances, 2020). For the full picture, including the skeptical reviews, read do blue light glasses work.

Who gets the most from sleep glasses?

You're a good fit if:

  • You're on your phone, laptop or TV in the last hours before bed most nights.
  • You find it hard to switch off after late screens.
  • You train in the evening and wind down on screens afterward (see Midnight for athletes).
  • You go to bed later than you'd like and want a clear "the day is done" cue.
  • You share a room or a house with bright lights you can't control.

Which lens color is best for sleep?

Go deep. When researchers tested 50 commercial blue blockers, red-tinted lenses let through the least body-clock-relevant light, orange came close, yellow varied widely and clear "blue light" lenses let through the most (Mason et al., 2022). A 2025 review agreed that clear or near-clear lenses don't filter enough to help sleep (Glickman et al., 2025).

  • Midnight (red) is our deepest filter and our pick for bedtime. See the Midnight collection.
  • Dusk (amber) is a lighter evening tint if you'd rather start earlier in the evening with a softer look. See the Dusk collection.
  • DayLight (yellow) is for daytime screens, not for sleep. See the DayLight collection.

For a red-lens deep dive, read red light glasses for sleep, and for the day-versus-night split, see red vs yellow blue light glasses.

Which lens for sleep: Midnight red lens for bedtime, Dusk amber lens for earlier evening, DayLight yellow lens for daytime screens

How do you use blue light glasses for sleep?

  1. Put Midnight on in the last 1–3 hours before bed. The studies that saw benefits used windows of two to three hours (SLEEP Advances, 2020). More detail: how long before bed to wear blue light glasses.
  2. Keep them on for every screen and lamp until lights out.
  3. Take them off at lights out. You don't sleep in them.
  4. Repeat every night. The positive trials ran for one to two weeks of nightly use (Shechter et al., 2018; Burkhart & Phelps, 2009).

What should you pair them with?

Glasses work best as part of a simple evening routine:

  • Dim the lamps. Room light alone can delay melatonin (Gooley et al., 2011).
  • Turn on night mode and lower screen brightness. The American Academy of Ophthalmology (AAO) recommends night mode in the evening (AAO). See blue light glasses vs night mode.
  • Keep a regular bedtime, and put the phone down a little earlier when you can.

What mistakes should you avoid?

  • Buying clear lenses for sleep. They barely touch the light that matters at night (Mason et al., 2022).
  • Wearing deep tints all day. Daylight helps keep your body clock on track, and a 2025 review warns that strong blue blockers worn outside the hours before bed may be counterproductive (Glickman et al., 2025). Save Midnight for the evening.
  • Putting them on at the last minute. Give them at least an hour.
  • Driving in them. Red lenses change how traffic lights and brake lights look. More here: can you drive in red or yellow glasses.

Start your wind-down with Midnight

Midnight turns the last 1–3 hours of your day into a proper wind-down without taking your phone or your show away. Choose the Midnight Aura in Tea, the Midnight Nocturna in Black or the Midnight Aura in Glossy Black, and add DayLight for your screen-heavy days. Pair the two in a set and save $19.99.

Every pair is $59.99, comes with a hard case and a cleaning cloth, ships free on orders over $69.99, and has 30-day returns, which is plenty of time for the one-to-two-week trial the studies used.

Shop Midnight →

FAQ

Do blue light glasses help you sleep?

They can. In controlled studies, people who wore tinted glasses for two to three hours before bed slept longer and rated their sleep better, especially people who have trouble sleeping. Results vary, so wear them every evening for one to two weeks.

What color glasses are best for sleep?

Red or orange. In lab tests of 50 commercial lenses, red lenses let through the least of the light that affects your body clock, while clear lenses let through the most. Melavue's red lens for bedtime is Midnight.

When should I put on blue light glasses for sleep?

In the last 1–3 hours before bed. Studies mostly used windows of two to three hours. Keep them on for every screen and lamp, then take them off at lights out.

Can I sleep wearing blue light glasses?

No need. Take them off when you turn off the lights. They're for the time you're awake and looking at screens or room lights.

Do I still need night mode if I wear sleep glasses?

Use both. Night mode warms one screen, while glasses filter every screen and the room lights too. Dimming your lamps and lowering screen brightness helps as well.

Sources

This article is for general information and isn't medical advice. If you have ongoing trouble sleeping, talk to a doctor.