Even three consecutive nights of reduced sleep can trigger spikes in blood proteins tied to heart disease risk. This effect occurs in young, healthy men — not just older individuals with preexisting ...

A clinical study of the effects of sleep deprivation on mice indicates that caffeine may protect the brain circuits ...

A growing body of research shows that the stress and habits tied to sleeplessness can make it harder to rest the next night.

Add Yahoo as a preferred source to see more of our stories on Google. It can be hard to think clearly after a bad night’s sleep. And, although nothing will replace a high-quality snooze, new research ...

Sleep apps offer data-driven insights for better rest, but may increase anxiety in some users. Study reveals varied effects ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It can be hard to think clearly after a bad night’s sleep. And, although nothing will replace a ...

Apps designed to improve sleep can stress out people with insomnia, research suggests. While they may help some people, apps ...

The increasing availability of sleep monitoring apps, and rising interest in sleep health, has led to a sharp increase in ...

Please provide your email address to receive an email when new articles are posted on . During reproductive transitions, high levels of oxytocin may protect against negative mood effects due to sleep ...