Sleeping with even a little light can be unhealthy, study finds : Shots - Health News : NPR

Just a night or two of exposure to faint light is enough to raise your pulse and increase insulin resistance — factors that increase the risk of heart disease and diabetes, researchers find.

Popular myths about sleep, debunked : Life Kit : NPR

Night Bed Outlet Store

Popular myths about sleep, debunked : Life Kit : NPR

How to cope with SAD or seasonal affective disorder - Alaska

A sleep mystery: What's behind 'precision waking' : Shots - Health

Sleeping too much or too little could make you sick: study

Cognitive Behavioral Therapy Provides Insomnia Help: Life Kit : NPR

How light resets your internal clock : Shots - Health News : NPR

Helpful ways to keep distress in check : Life Kit : NPR

How Sleep Deprivation Decays the Mind and Body - The Atlantic