Sleep Cycles: One rapid eye movement (REM) stage and three non-REM stages that altogether last about 90 to 120 minutes Benefits: Physical and mental recuperation and memory consolidation Disorders: ...

Here’s how athletes get better rest when it really counts.

As nights get hotter around the globe due to climate change, the prevalence of sleep apnea is expected to increase by as much ...

Sleep is one of those things everyone does but rarely thinks about. Most people climb into bed, close their eyes, and wake up hours later without wondering what happened in between. But sleep is far ...

1. Recent research from the RAND Corporation estimates that the lack of sleep among workers costs the U.S. economy up to $411 billion per year (2.28% of GDP), due to individuals' lower productivity ...

Sleep shapes every part of human health, from brain function and memory to immunity, mood and metabolism. This article ...

Lack of sleep contributes to 100,000 car accidents, $16 billion in health care expenses, and $50 billion in lost productivity every year. The Centers for Disease Control and Prevention identifies ...

Forger takes a more favorable view toward the devices, which he says help keep the overlooked importance of sleep front of mind. He recommends them even for people without significant sleep issues, ...