Protocol · 4 items
Sleep & Recover
Recovery is a nightly practice.
Bundle price£198£178.20
BEvidence
KIT
Dusk
Amber Evening Lenses · Standard or wide fit
Tell your brain the sun has set.
99% blue block22 g
Option: Standard fit
£55
1
Free shipping over £50
60-day returns
Evidence grade B
Overview
Amber lenses filter the short-wavelength blue light that tells your body clock it's still daytime. Put them on two hours before bed and keep your screens, just without the signal. Lightweight TR90 frame, sized to fit over most faces.
- Filters > 99% of 400–500 nm light
- 22 g TR90 frame
- Hard case + cloth included
Technical specs
| Lens | Amber polycarbonate, 99% block 400–500 nm |
|---|---|
| Frame | TR90, 22 g |
| Includes | Hard case · microfibre pouch |
How to use
Wear for 2–3 hours before bed. Don't drive at night in them.
The science · Grade B
BEvidence grade · Good
Evening light suppresses melatonin, and short-wavelength (blue) light does so most strongly. Randomised trials of amber lenses in the evening report improvements in sleep quality, particularly in people with insomnia symptoms.
- Burkhart K, Phelps JR. (2009). Amber lenses to block blue light and improve sleep: a randomized trial. Chronobiol Int.
- Shechter A, et al. (2018). Blocking nocturnal blue light for insomnia: a randomized controlled trial. J Psychiatr Res.
Claims & safety
Not suitable for driving at night.
Part of a protocol
All protocols Works better together.
Sleep & Recover Protocol
Pairs with
Same goal. Different frequency.
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