Evening glasses
Amber lenses for your evenings

GroundingFlow™ Anti-blue Light Glasses

Amber-lens evening glasses in tortoise and black frames. Wear them for the hours before bed so your screens and lamps stop saying morning.

  • Made for the hours before bed
  • Amber lenses filter blue light
  • Keep your screens, change the light
  • Everyday style

Glasses studies are small; results vary.

$40.00 $60.00 Save $20
Color Glossy Black frame
Qty

Order today, arrives in 8–10 business daysFree US shipping · Ships in 1–2 business days · Tracked

Product details

Evening glasses with amber-yellow lenses that filter blue light from screens and lamps, in a tortoiseshell or black front with slim metal temples.

  • Lens: amber-yellow
  • Frames: glossy black, matte black, Tortoise Nightfall or Tortoise Sundown
How to wear them
  • Put them on two to three hours before bed.
  • Keep them on for screens, lamps and TV.
  • Take them off at lights out.
  • Don't wear tinted lenses while driving.
Shipping info

Every order is processed within 1–2 business days, and you'll get a tracking link by email.

  • United States & Canada: 8–10 business days
  • Mainland Europe & United Kingdom: 8–10 business days
  • Oceania: 5–10 business days
  • All other countries: 5–15 business days

Free US shipping, and free international shipping on orders over $100 — applied automatically at checkout.

Why evening light matters

Your eyes have a daylight sensor. It doesn't know it's 10 p.m.

Light-sensitive cells in your eyes respond most to blue light — the signal your brain reads as daytime. Evening lenses filter it so your screens and lamps stop saying morning.

  • A woman reading in bed wearing amber evening glasses
    Evening light

    Dim the daylight signal.

    Ordinary room light before bed shortened the body's melatonin window by about 90 minutes in a 116-person study.

    Gooley et al. · 2011 · n=116
  • A man at his laptop in the evening wearing amber glasses
    Screens

    Keep your screens. Filter the blue.

    Evening e-reader use suppressed melatonin and pushed body-clock timing later than reading a printed book.

    Chang et al. · 2015 · n=12
  • A couple watching TV in the evening wearing amber glasses
    Sleep

    Wind down on purpose.

    In a small trial (n=20), amber lenses worn three hours before bed improved self-rated sleep quality.

    Burkhart & Phelps · 2009 · n=20

Glasses studies are small, and a 2023 Cochrane review rated their sleep effects uncertain. Not intended to diagnose, treat, cure or prevent any disease.

An amber lens turning a bright laptop screen warm
FIG. 01 — Blue in, amber out
How they work

A sunset filter for your evenings.

Amber lenses hold back the blue end of the light from screens and lamps and let warm light through — like watching your evening through a sunset.

How to wear them

Sunset to lights out.

  1. Amber glasses on a windowsill at sunset
    Step 01

    Put them on at sunset

    Two to three hours before bed.

  2. A man reading in bed wearing amber glasses
    Step 02

    Live your evening

    Screens, books and TV — just through amber.

  3. Amber glasses folded on a nightstand
    Step 03

    Off at lights out

    Sleep in the dark.

Don't wear tinted lenses while driving.

The research

The light science is solid. The glasses studies are small.

Evening light — especially from screens and lamps — shifts your body clock and suppresses melatonin. Amber and red lenses filter the blue end of that light. Here's what the studies found.

Our take

Strong evidence that evening light matters; small trials for the glasses themselves. Wear them every evening for 90 days and judge for yourself.

  1. 2011 J Clin Endocrinol Metabn = 116
    Room light & melatonin

    Ordinary room light before bedtime shortened the body's melatonin window by about 90 minutes.

    Laboratory study

    Gooley et al., 2011
  2. 2015 PNASn = 12
    Screens before bed

    Reading on a light-emitting e-reader before bed suppressed evening melatonin and pushed body-clock timing later, compared with a printed book.

    Randomized crossover

    Chang et al., 2015
  3. 2009 Chronobiol Intn = 20
    Sleep quality

    Amber lenses worn for three hours before bed for two weeks improved self-rated sleep quality compared with UV-only lenses.

    Randomized trial

    Burkhart & Phelps, 2009
  4. 2018 J Psychiatr Resn = 14
    Poor sleepers

    In adults with poor sleep, amber lenses worn in the evening for a week increased measured sleep time.

    Randomized crossover

    Shechter et al., 2018
Amber and red evening glasses on a linen tray
Risk-free

Try them for 90 days.

Wear them every evening for 90 days. If they're not for you, contact us for a full refund.

  • 90-day money-back guarantee
  • Every study linked — no hype
  • Free US shipping, tracked
  • Real support: info@groundingflow.com
FAQ

Questions, answered.

Can't find your answer? Email info@groundingflow.com.

Contact us
When should I wear them?

For the two to three hours before bed — while you use screens, read under lamps or watch TV. Take them off at lights out.

Can I wear them during the day?

They're made for evenings. During the day, bright light helps keep your body clock on track, so most people go without.

Will they protect my eyes?

No — and we won't claim that. The American Academy of Ophthalmology says blue light from screens doesn't damage your eyes. These glasses are about evening light and your body clock.

Can I drive with them?

Don't wear tinted evening lenses while driving — they change how you see colors such as traffic signals.

How soon will my order arrive?

Orders are processed within 1–2 business days and ship with tracking. Delivery usually takes 8–10 business days to the US, Canada, the UK and Europe, and 5–10 business days to Oceania. US shipping is free, and international shipping is free on orders over $100.

What is your return policy?

You're covered by our 90-day money-back guarantee. If it's not for you, email info@groundingflow.com for a full refund.