Sleeping with even a little light can be unhealthy, study finds

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.

Facts About Sleep: Debunking Myths

The dark side of daylight saving time - Harvard Health

Facts About Sleep: Debunking Myths

Night owls may have unhealthy habits that lead to early death, study says

Does exercising at night affect sleep? - Harvard Health

Using melatonin for sleep is on the rise, study says, despite potential health harms

Sleeping With the TV On: Should You Stop?

Why falling asleep with the lights on is bad for your health - The Washington Post

Causes of Somniloquy (Sleep Talking)

Why sleep with light, even if dim, is bad for your health - Infobae