A new study has an important message for night owls.

As US cities struggle to reduce homelessness, two scholars explain how planners can reform shelter design to be more humane and to prioritize mental health and well-being.

"...these experiences bleed into and affect our waking lives—including how productive we are at work."

Naps can be rejuvenating and beneficial to attentiveness and overall health, but the length of naps and the time of day are key.

Exposure to screens before bedtime can contribute to chronic sleep deprivation, which raises the risk for anxiety, depression and even suicidal thoughts.

Fitbits fall short when it comes to accurately measuring sleep, but they perform well in capturing circadian rhythms, researchers say.

Research in mice suggests that brain cells called astrocytes could be key to staying awake without cost to cognition or health.

While a cup of joe or a brief nap during an all-nighter might help you feel a little more alert, it won’t offset cognitive impairments from sleep deprivation when you’re performing complex tasks.

A new study finds that even when asleep, the sounds babies' hear play a role in their language development.

Loneliness can lead to sleepless nights for middle-aged and older adults, according to new research.