Dim lights after sunset
For circadian rhythm support
Most of the experts we follow recommend it.
Dim lights after sunset to support circadian rhythm, hormone timing, and reduce blue light exposure at night.
Who is behind it
Voices including an optometrist of twenty years and a certified naturopath.
How strong the research is
Mostly expert experience so far, with published research still catching up.
In their words
“catch the sunsets, if you can, to help with that shift”
an optometrist of twenty years
Exposure to sunset light can help with the circadian rhythm shift caused by daylight saving time.
Exposure to sunset light helps downshift the HPA axis to support luteal function.
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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