Adults who regularly sleep fewer than seven hours a night face an 18 percent higher risk of developing dementia, while those ...

Research reveals a hidden genetic link that dictates exactly how your nighttime routine impacts your brain.

7 to 9 hours of sleep is necessary for good health, but every person's sleep requirement is different. According to experts, along with the quantity of sleep, its quality also affects mental and ...

A bad night’s sleep can lead to a drop in cognitive abilities, increased stress and general grumpiness the following day.

SEATTLE — Seven hours of shut-eye: That's the minimum amount of sleep that adults need each night for best health, according to new recommendations from a panel led by a University of Washington sleep ...

Too little sleep can be harmful for health in the long run, but a sweeping study suggests that too much sleep also may not be ideal: It’s associated with accelerated aging in nearly every organ in the ...

Sleeping for 7 hours and 18 minutes every night may be the sweet spot for warding off the risk of insulin resistance—the precursor to type 2 diabetes—suggests a large observational study published in ...