Getting enough quality sleep may do more than just help you feel rested—it could play a critical role in protecting your ...

A seemingly small question has shifted how scientists understand the relationship between the brain and the body.

Longer REM sleep latency is associated with Alzheimer’s biomarkers, highlighting sleep as a potential early disease indicator ...

Vivid dreams happen most often during the rapid eye movement (REM) sleep stage, when the brain is particularly active. Some people, especially women, said they were able to recall their dreams ...

After a long day at work or school, sometimes you want to go home and nap, but that is not always the best option. In this ...

Little is known about the associated brain activation during these sleep rhythms, and even less about their functional implications. In this study, we investigated the brain-wide activation underlying ...

Hypocretin, also called orexin, is a brain chemical that controls when you’re awake and when you’re in rapid eye movement (REM) sleep. People with narcolepsy often don’t have as many brain ...

Understanding Sleep Cycles in Pets To understand whether pets dream, it is important to first explore their sleep patterns.