We’ve all been there — dragging ourselves out of bed feeling like we’ve been hit by a truck despite getting a full night’s sleep. The alarm blares, and you wonder how eight hours of rest could ...

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 ...

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: ...

Tired of waking up groggy no matter how much you sleep? Learn how sleep cycles really work—and how your alarm clock might be ...

Your brain cycles through several stages during sleep, and REM sleep might be the most critical. This mysterious phase, where ...

A one-hour shift to an earlier sleep schedule could drop risk of major depression by 23%, according to a study. A team of researchers from University of Colorado Boulder and the Broad Institute of MIT ...

Sleep regularity (waking up and going to bed at the same time every day) could be more important than sleep duration in predicting heart attack and stroke. A new study found that even when individuals ...

Sleep regression refers to a period of change in sleeping patterns experienced by babies. This change often occurs when infants who previously had no issues with sleep, settling well, or sleeping for ...

A good night's sleep is critical for our daily functions, including our mood and memory retention, as well as our immune system and heart health. However, scientific evidence suggests that lunar ...

The moon dictates the pushes and pulls of the tides, but it could also affect our sleep. As we head toward the first full moon of the year on Thursday night, take note: In the days leading up to a ...

A one-hour shift to an earlier sleep schedule could drop risk of major depression by 23 percent, according to a study. A team of researchers from University of Colorado Boulder and the Broad Institute ...