Sleep is key to brain and body function, memory, physical performance, preventing chronic disease and improving mental health ...

Think blue light is hurting your sleep cycle? A new study suggests it can actually improve the overall sleep quality of older adults -- but only if they time it right. NY Post Composite Blue light ...

Bright light might be the solution to getting a good night's sleep, researchers have found. Exposure to bright light has been previously found to help treat symptoms of depression, and this might be ...

The American Heart Association says a preliminary study links higher exposure to artificial light at night with increased ...

Higher nighttime light exposure is associated with increased light sleep duration, with complex effects on deep sleep duration. New research reveals how outdoor nighttime light exposure subtly impacts ...

Experts say forcing a 6 a.m. wake-up isn’t healthy for everyone. Your chronotype affects sleep quality, mood and health more ...

You’ve likely heard that blue light from smartphone screens may be keeping you awake at night. While the sun is our main source of blue light, the rise of LEDs and screen use exposes us to artificial ...

Nov. 20, 2025 — As winter creeps in and the days get shorter, it’s easy to feel thrown off — especially when darker mornings and early sunsets mess with your internal clock. But if you’re trying to ...

Julia Ries Wexler is a writer focusing on all things health and wellness. She has over 10 years of experience in health journalism, and though she has written about pretty much every health topic ...