Broadcast Retirement Network's Jeffrey Snyder discusses the impact of poor sleep on your daily mental health and cognition ...

Your sleep cycle includes light, slow-wave, deep, and REM sleep, which repeat throughout the night. To get restful sleep, you need to spend the right amount of time in each stage of the sleep cycle.

Good Sleep is a new climate-controlled mattress topper that uses surgical-grade water-cooling technology to help users spend ...

Deep sleep earlier in life could be the key to keeping healthy cognition. The key to keeping your wits about you as you age may lie in shut-eye during midlife. A study found that people over 60 who ...

Medically reviewed by Sanja Jelic, MD Key Takeaways The sleep cycle has three NREM stages and one REM stage.Deep sleep occurs in stage 3 and is crucial for feeling refreshed.REM sleep helps in ...

Sleep is kind of a big deal. It’s the best way for our bodies to recover after a hard day, and it also greatly influences our cognitive functions and immune responses. Yet while many of us focus on ...

You’ve heard of REM sleep but what about deep sleep? Experts share why it’s important and how to make sure you’re getting enough of it.

Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep isn’t ...

Sleep is a fundamental aspect of our lives. It is a natural process that rejuvenates our bodies and minds, allowing us to function optimally during our waking hours. However, not all sleep is the same ...

Sleeping for 7 to 9 hours at night isn't the only way to catch some z's. Here are four alternative sleep cycles -- and they're pretty obscure. Annie Miller Medical Reviewer Annie Miller is a licensed ...

In general, most adults need between seven and nine hours of sleep per night. Someone who gets this recommended amount will generally go through between four and six sleep cycles (all of the sleep ...

Chronic sleep deprivation acts as a systemic stressor, elevating risks for cardiovascular disease and metabolic dysregulation while impairing cognitive function.