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 ...

We all miss out on sleep now and then, but if you’re consistently losing out on shut-eye, it could lead to a health problem called sleep deprivation. Sleep deprivation means you’re not getting enough ...

Skipping just one night of sleep causes healthy adults to see a spike in immune cells linked to chronic inflammation, a key feature of obesity, according to new research. The good news is that once ...

Modern lifestyles mean many people are sleep deprived on work or school days, and try to 'catch-up' with compensatory sleep on weekends. A new study of more than 90,000 individuals showed that those ...

Night-owl habits and irregular sleep can disrupt the body's circadian rhythm, raising blood pressure, inflammation and metabolic risk. A cardiologist explains how poor sleep affects heart health, why ...

Health risks of sleep deprivation: Stress, late-night screen use and constant stimulation often disrupt the brain's process of clearing waste products that build up during the day, leading to ...

(CNN) — Find yourself yawning a lot? Do you need that third or fourth cup of coffee to make it through the afternoon at work? Such signs of sleepiness may be a red flag of a serious sleep deficit that ...

Chronic sleep deprivation affects one in five adults globally and I’m one of them. It’s odd admitting that, considering my ...