Light therapy can be done at home and helps relieve sleep issues associated with insomnia and some types of depression.| Sleep Foundation
Excessive daytime sleepiness can have serious effects on health and quality of life. Learn the causes and how to treat them.| Sleep Foundation
Worried about feeling alert and maintaining a healthy sleep schedule after a long flight? Learn how to reduce jet lag and sleep better while traveling.| Sleep Foundation
Learn about delayed sleep phase syndrome, a circadian rhythm disorder that affects your ability to fall asleep and wake up at socially normal times.| Sleep Foundation
Want to learn about shift work disorder? Our guide discusses the defining traits of shift work sleep disorder, how it disrupts sleep & complications.| Sleep Foundation
Many people use electronics before bedtime, but this may have a negative effect on sleep. Learn how blue light disrupts sleep and how to reduce its effects.| Sleep Foundation
Circadian rhythms are natural, 24-hour patterns that play a vital role in the sleep-wake cycle. Learn more about how they work and how to keep them aligned.| Sleep Foundation
Light and sleep are closely intertwined. Learn about how different types of light exposure affects circadian rhythm, melatonin, and overall sleep quality.| Sleep Foundation