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 ...

Deep sleep is one of the most essential stages of the sleep cycle, playing a vital role in how well you feel both physically and mentally. Often referred to as slow-wave sleep or delta sleep, this ...

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 ...

Scientists believe that our brains replay the events of the day when we sleep. The brain moves information from the hippocampus–where short-term memories are stored into the neocortex. In the ...

Reviewed by Alicia Bigelow, ND Key Takeaways Non-sleep deep rest (NSDR), rooted in yoga nidra, is a practice of deep rest ...

Higher nighttime light exposure is associated with increased light sleep duration, with complex effects on deep sleep duration. New research reveals how outdoor nighttime light exposure subtly impacts ...