A study published in Cell Stem Cell on February 5, 2026, traces a direct signaling chain from sleep-deprived brains to ...

Getting enough sleep may be more important for heart health than many busy professionals realize. A new multicenter study ...

Discover the effects of sleep deprivation on your brain and body, impacting cognition, mood, metabolism, and overall health.

Sleep health is not equal among US adults, with new research implicating education level, age, body mass index (BMI), and lack of nutritional security as contributing to the racial and ethnic ...

New research reveals that sleep deprivation sends aberrant signals through the vagus nerve, triggering a serotonin surge that ...

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

Sleep deprivation doesn’t just leave you tired—it might be setting the stage for serious heart problems. While many people view sleep as optional when life gets busy, research increasingly shows that ...

By Hugo Francisco de Souza New neuroimaging research shows that when sleep-deprived people lose focus, the brain briefly ...

Getting enough sleep is one of the most effective ways to restore metabolic balance in the brain and body. SimpleImages/Moment via Getty Images You stayed up too late scrolling through your phone, ...

Daytime “wash cycles” help clear waste from the brain but cause momentary drops in attention after nights of poor sleep.

One key role of sleep involves cerebrospinal fluid, which surrounds and protects the brain. During sleep, CSF helps remove waste that accumulates during waking hours. In a 2019 study, Lewis and her ...

Add Yahoo as a preferred source to see more of our stories on Google. Six hours sleep For those of us who worry about our sleep, every morning is a scramble of mental maths as we turn to our bedside ...