The News Feed

Blue Light

For Better Sleep, Dim the Lights—of Any Color

Intensity matters more than wavelength, study says.
December 31, 2019

Blue Light-blocking Glasses Let Undergrads Sleep Soundly

Intervention for college students with sleep complaints succeeds in recruitment and retention.
November 21, 2018

Artificial Light at Night: Not a Doctor’s Delight

Breast and prostate cancer risks go up when excess blue light interrupts sleep, study says.
May 24, 2018