Circadian glasses
For circadian rhythm protection
The experts we follow agree on this.
Circadian glasses help protect your rhythm from disruptive artificial light.
Who is behind it
Voices including a clinical nutritionist, a registered holistic nutritionist and a GP with a Master of Public Health.
How strong the research is
Mostly expert experience so far, with published research still catching up.
In their words
“usually considered like the yellow ones these are your daytime lenses from sunup to sundown this is what you wear when you endorse indoor sunglasses”
a board-certified cardiologist
Wearing orange toned blue blockers until sunrise is a non-negotiable strategy to manage light exposure.
Yellow lenses block blue light up to 470 nm and help reduce eye strain and improve mood during screen use.
Yellow blue blockers help the nervous system return to a parasympathetic state and reduce brain fatigue from artificial light exposure
using circadian-friendly lighting supports maintaining proper melatonin
Using circadian-friendly lighting helps mitigate the risk of insulin resistance and diabetes associated with artificial light at night.
Circadian-friendly lighting reduces light pollution and helps maintain healthy circadian rhythms and energy resistance.
Talk it through
Entrain shows what the experts teach, so you can make better decisions with your own clinician. It does not diagnose or prescribe. If something is worrying you, start there.
How this reading was made
Every line here comes from a doctor, scientist or coach speaking publicly, and links to the moment they said it. Entrain listens for where independent experts arrive at the same place on their own, and shows where they part ways. Mostly expert experience so far, with published research still catching up.
None of the statements here come with a declared commercial interest. Last refreshed 23 September 2026.
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