New research finds that sleep is essential for protecting brain mitochondria by transferring toxic metabolic waste from neurons to glial cells for disposal.

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Sleeping fewer than 4.5 hours and more than 6.5 hours per night is associated with cognitive decline, according to researchers. In a recent study published in Oxford Academic's Brain, a team from the ...

If you still feel tired after getting eight hours of sleep, something may be precluding you from feeling well-rested. Certain ...

New research reveals that sleep deprivation sends aberrant signals through the vagus nerve, triggering a serotonin surge that can kill gut stem cells.

Sleep needs vary dramatically between individuals, with genetics and lifestyle playing bigger roles than previously understood In a world that often glorifies hustle culture and productivity hacks, ...

This video segment adapted from NOVA scienceNOW considers the purpose of sleep and, in particular, the connection it shares with memory. By studying the dreams of rats, researchers are hoping to gain ...

I thought I was catching up on sleep but I was actually making myself more tired. An expert explains what to do about it.

Share on Pinterest Data from five population studies suggest that better sleep may help protect cognitive function in adults. Image credit: ismagilov/Getty Images. A new analysis looking at data from ...

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

Introduction: The cardiovascular system (CVS) is heavily influenced by the autonomic nervous system. Additionally, there is a functional alteration during the various stages of sleep. In nonrapid eye ...

In humans, aging is often associated with changes in sleeping patterns, cognitive abilities and functional network connectivity (i.e., the strength with which activity in different brain regions ...