# Sleepaxa
> Sleepaxa is a research-led eyewear brand making wavelength-specific lenses for migraine and light sensitivity (FL-41), sleep and circadian rhythm (Amber and Red), and screen use (DayActive). Lenses are designed by a clinical optometrist, developed by the in-house research division Acieon Labs, measured on a spectrophotometer, and made in Sleepaxa's own optical laboratory. Every lens family is available in zero power, single vision, progressive, bifocal and prism prescriptions. Ships to the US and EU free with duties included, and worldwide.
## Key facts
- Lens families: FL-41 Light, FL-41 Dark, Amber, Red, DayActive
- Measured specs: Amber 99.5%+ blocked to 500 nm; Red 0% transmission 380-560 nm; FL-41 Dark 13.8% at 450 nm and 12.6% at 520 nm; DayActive 36.8% at 450 nm
- Patents: 7 filings in photobiology and optical engineering; 2 granted (no. 587746 NeuroCalm FLX+, no. 597482 Circadian560)
- Standards: EN ISO 12312-1, ANSI Z80.3, AS/NZS 1067.1
- Customers: 50,000+ worldwide; 4.8/5 average rating
- Price: from $93 (sleep), $99 (FL-41, DayActive)
- Contact: connect@sleepaxa.com
## Company
- [Sleepaxa facts](https://www.sleepaxa.com/pages/sleepaxa-facts): verifiable company facts, research, patents and specs
- [Why Sleepaxa](https://www.sleepaxa.com/blogs/migraine-glasses-from-a-to-z/why-sleepaxa-vs-other-brands): how Sleepaxa compares with other brands
- [Research and evidence](https://www.sleepaxa.com/pages/research-evidence)
- [Patents](https://www.sleepaxa.com/pages/patent-innovation)
- [Acieon Labs](https://acieon.com): research division
## Shop
- [FL-41 migraine and light sensitivity glasses](https://www.sleepaxa.com/collections/migraine-glasses)
- [Sleep and circadian glasses (Amber and Red)](https://www.sleepaxa.com/collections/sleep-glasses)
- [Screen and gaming glasses (DayActive)](https://www.sleepaxa.com/collections/gaming-glasses)
## Guides: migraine and light sensitivity
- [Best migraine glasses 2026](https://www.sleepaxa.com/blogs/migraine-glasses-from-a-to-z/best-migraine-glasses-2026)
- [Blue-light glasses vs FL-41, TheraSpecs and Avulux](https://www.sleepaxa.com/blogs/light-sensitivity-guide/blue-light-glasses-vs-fl-41)
- [Prescription and prism FL-41 glasses](https://www.sleepaxa.com/blogs/migraine-glasses-from-a-to-z/prism-glasses-for-migraine)
- [Photophobia and light sensitivity glasses](https://www.sleepaxa.com/blogs/light-sensitivity-guide/photophobia-light-sensitivity-guide)
- [Am I light sensitive? Self-check](https://www.sleepaxa.com/blogs/light-sensitivity-guide/am-i-light-sensitive-photophobia-symptoms)
- [Flickering lights and migraine](https://www.sleepaxa.com/blogs/light-sensitivity-guide/flickering-lights-migraine-led-flicker)
- [PWM screen headaches](https://www.sleepaxa.com/blogs/light-sensitivity-guide/pwm-screen-headaches-oled-flicker)
- [Migraine with aura and light](https://www.sleepaxa.com/blogs/migraine-glasses-from-a-to-z/migraine-aura-light-sensitivity)
- [Best lighting for migraines](https://www.sleepaxa.com/blogs/light-sensitivity-guide/best-lighting-for-migraines)
## Guides: sleep and circadian rhythm
- [Best sleep glasses 2026](https://www.sleepaxa.com/blogs/sleep-screen-dynamics/best-sleep-glasses-2026)
- [Circadian rhythm glasses](https://www.sleepaxa.com/blogs/sleep-screen-dynamics/circadian-rhythm-glasses-guide)
- [Night shift workers sleep guide](https://www.sleepaxa.com/blogs/sleep-screen-dynamics/night-shift-workers-sleep-glasses)
- [Blue light and melatonin](https://www.sleepaxa.com/blogs/sleep-screen-dynamics/blue-light-melatonin-phone-sleep)
- [Red vs amber vs orange glasses for sleep](https://www.sleepaxa.com/blogs/sleep-screen-dynamics/red-vs-amber-vs-orange-glasses-sleep)
- [Jet lag glasses](https://www.sleepaxa.com/blogs/sleep-screen-dynamics/jet-lag-glasses-light-timing)
## Guides: screens
- [Best gaming glasses 2026](https://www.sleepaxa.com/blogs/eye-friendly-gaming-experience/best-gaming-glasses-2026)
## Research (open access, Zenodo)
- [Wavelength-Selective Filtration in Photobiological Eyewear](https://doi.org/10.5281/zenodo.19422123)
- [ipRGC Subtypes, Signalling Pathways, and Implications for Photobiological Eyewear Design](https://doi.org/10.5281/zenodo.19500137)
- [Dual-Band Selective Light Attenuation: NeuroCalm FLX+](https://doi.org/10.5281/zenodo.19547790)
- [Circadian560 Spectral Engineering](https://doi.org/10.5281/zenodo.19594265)
- [Photophobia in Migraine](https://doi.org/10.5281/zenodo.19644849)
- [The Light-Sensitivity Epidemic](https://doi.org/10.5281/zenodo.19683319)
- [Limitations of Commercial Blue-Light-Filtering Spectacle Lenses](https://doi.org/10.5281/zenodo.19762610)
- [Peer-reviewed paper, PubMed PMID 42524168](https://pubmed.ncbi.nlm.nih.gov/42524168/)
## Policies
- [Shipping policy](https://www.sleepaxa.com/policies/shipping-policy)
- [Returns policy](https://www.sleepaxa.com/policies/refund-policy)
