A new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions of years ago in ...

Bar-Ilan University study shows that even jellyfish and sea anemones repair DNA during repose, underscoring the idea that a ...

Sea anemones and jellyfish don’t have brains, but the way their neurons behave during sleep shows some surprising ...

If you find it hard to focus after a wakeful night, it’s because your brain is busy trying to catch up on crucial ...

In jellyfish and sea anemones, neurons accumulate DNA damage while animals are awake and repair that damage during sleep.

About one in nine adults suffer from chronic insomnia and its residual effects like drowsiness, cognitive issues, and ...

All human beings need sleep. We spend a third of our lives asleep, and it’s as important as food, water or air to our survival. While scientists are still working to understand the exact nature of ...

Setting an alarm to go off an hour before your bedtime every night can remind you that it’s time to start getting ready for sleep, Dr. Varga said. Doing something relaxing during that hour, such as ...

Getting the recommended seven to nine hours of solid sleep a night is key if you want to remain rested and healthy. But what happens if you find yourself clocking in less, perhaps just four hours a ...

In the last several years, books and articles have increasingly drawn attention to the key role of sleep in preserving good health. In the long run, better sleep may have protective effects on risk ...

Declining brain function is a natural part of the aging process, but that doesn’t mean it can’t be delayed. A new study has found that physical activity can boost brain function for up to 24 hours and ...