The average adult needs around four to six hours of core sleep every night to hit the most vital stages of rest and protect ...

However, some research suggests that poor sleep could raise your risk of Alzheimer’s. A study published in November found ...

REM brain waves are shorter than delta waves and are not synchronized like deep wave sleep. REM usually occurs later in a 90-minute sleep cycle and commonly just before waking.

For some of us more than others, waking up in the morning is a special kind of torture. Your alarm blares its anthem into ...

Chronic benzodiazepines (BZDs) or benzodiazepine receptor agonists (BZRAs) use is associated with poorer sleep quality and disrupted brain oscillatory activity in older adults with insomnia, according ...

Older adults require less, while babies need much more — in fact, infants can spend about 50% of their sleep in REM. To make matters worse, deeper stages of sleep decrease as you age, Cho said.

Delta wave activity disruption during sleep may be a useful metric to identify those at an increased risk for cardiovascular disease and mortality, a new study suggested.