I rise at 5 a.m., wishing that I could sleep longer. But my circadian rhythm and the beautiful melodies of the birds prevent ...

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

Waking up early in morning reduces cortisol levels and gives space for peaceful reflection. Practicing mindfulness or ...

I decided to sit down with my friend, Dr Christine Hall, a skin expert, who's worked as both an aesthetic doctor (at the ...

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

Light pollution, or artificial light at night (ALAN), is a widespread phenomenon in areas with dense human populations.

Wendy Kopp, the CEO and co-founder of Teach For All, believes she’s “figured out jet lag.” The solution sounds simple, but ...