A 2023 study found that shorter sleep duration causes reduced brain cortical thickness. Sleep disorders increase the risk of Alzheimer’s, stroke, and cognitive decline. Chronic sleep deprivation ...
Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. A restless night may leave you feeling tired ...
You can live for years with obstructive sleep apnea and never know it. The condition repeatedly narrows your upper airway ...