"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 ...

A biohacker has shaved 30 years off his biological sleep age by sticking to a strict nighttime routine of getting 6.5 hours ...

It’s not a secret that sleep can get more difficult with age — research suggests that ... Miner said people 65 and older need six to eight hours of sleep a night, just like their younger ...

She's a certified sleep science ... The below chart from UCSF Benioff Children’s Hospital outlines the normal range of beats per minute for resting heart rate, based on age.

Most people spend about one-third of their day asleep. While scientists are still unsure exactly why we need sleep, they do know it rejuvenates the body and mind, making it critical for our daily ...