None of them had mild cognitive impairment or dementia at the start of the study. Over the course of the study period, 22% of ...

It can vary depending on your sleeping pattern and schedule, but generally, the worst time to nap is during the late ...

"Sleep is essential for cognitive health, as it allows the brain to rest and rejuvenate," said neurologist Yue Leng.

A sleep doctor reveals the optimal time of day to take a nap in order to feel rested and reap the health benefits.

From poor sleep quality, to brain fog or fatigue, and even mood swings, some of the common traits of people who feel most at ...

Grabbing 40 winks during the day is a common habit. In fact "nana naps" have become so popular they have even got their own ...