If you’ve ever felt tired after a full night’s sleep, you likely didn’t get enough deep sleep. This stage of sleep is considered to be the most restful, so getting enough of it is key for your overall ...

Getting enough quality sleep is essential to strong memory function. Understanding the sleep-memory connection may help you learn to prioritize sleep and improve your memory.

The amount of REM sleep you get may influence which details of your memories remain in storage, a new brain study suggests. The sleep cycle is split into four stages: one stage of rapid eye movement ...

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 ...

A quick nap with deep N2 sleep could unlock hidden insights, as scientists find brainwave patterns during sleep best predict those breakthrough moments. Study: N2 sleep promotes the occurrence of ‘aha ...