"The optimal sleep amount is a range between seven to nine hours for the average adult of any age, however, some will need a little less and many will need a little more," she said. But ...

Will I need less sleep when I age? Usually when you hit the age of about 18, 19 years old, your amount of sleep is pretty set, even though many people think that as they get older, they need less ...

New studies highlight how sleep quality—not just quantity—can protect cognitive health, especially in older adults.

Research doesn’t show that women need more sleep — but women do get slightly more sleep on average than men, Atwood said. It starts at a young age. Though they have the same sleep needs ...