Light exposure at night may disrupt our body's internal clocks, or circadian rhythms, that keep physiological processes ...

Bright afternoon and early evening light exposure in adolescents leads to lower melatonin levels and delays circadian rhythms ...

Noninvasive brain stimulation techniques, including transcranial direct current stimulation, are effective nonpharmacologic treatments for insomnia.

A new study finds that entering N2 sleep—a deep phase of non-rapid eye movement sleep—may help lead to more “eureka” ...

When I use the Helight Sleep, I find it easier to wind down and fall asleep. Sometimes, I drift off before the red light fades all the way to black, and other times, it’s a few minutes after.

Data from a new study in mice shows that a common sleep aid protects the brain from damage seen in neurodegenerative disorders, in addition to improving rest.

In a bid to snag the perfect night's sleep, 70% of women have turned to sleep aids, according to survey by Good Housekeeping UK. It's no surprise we're all looking for extra help, when you know ...

To feel the benefits, Dr. Eappen recommends getting a lamp that emits 10,000 lux and starting with 15-minute sessions every day. You can use the lamp anytime before 2:30 p.m., he says—after that ...

For mental health and sleep, make light therapy part of your daily routine, following the time guidelines the experts mentioned above. But when it comes to your skin, you can be a little more lax.