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 ...

Seasonal affective disorder (SAD) is more than the “winter blues.” It’s a real mood disorder linked to reduced light exposure ...

Blue light has acquired a dubious reputation in recent years, frequently blamed for everything from disrupted sleep patterns to digital eye strain. This high-energy light, emitted abundantly by our ...

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 ...

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

We’re surrounded by bright lights and flickering screens long after the sun goes down, and that constant exposure can throw our natural sleep cues off track. If falling asleep feels harder than it ...

Light sleep is the beginning of your sleep cycle and your body's way of winding down. Breathing, heart rate and muscle changes prepare your body for the deeper sleep to come. Light sleep is broken ...

Light sleepers wake up easily due to little disturbances like noise, light, or movement. Being a light sleeper isn't just a nuisance, it can affect your sleep cycles and lead to poor sleep quality.

Sleep quality is declining nationwide. Research links poor sleep to higher disease risk. Evening habits play a decisive role.