Sleep

No, I did not prepare for the end of Daylight Saving Time this past weekend, when most US states set clocks back an hour. Sunrise and sunset now come an hour earlier, despite my protestations. Experts advised planning for this change two weeks ago by…

Health ‘Harvard Thinking:’ Are you getting enough sleep? Probably not. Illustrations by Liz Zonarich/Harvard Staff Samantha Laine Perfas Harvard Staff Writer November 5, 2025 long read In podcast, experts discuss how to tap into powerful but often neglected key to health and well-being From medications…

Summary Insufficient deep sleep in slow-wave and REM stages may accelerate brain deterioration linked to Alzheimer’s disease. The brain’s inferior parietal region shrinks with inadequate deep sleep, according to a new study. During deep sleep, the brain removes toxins while REM sleep processes emotions and…

Summary Political and societal upheavals can disrupt sleep and trigger insomnia in vulnerable individuals, according to sleep experts. Chronic insomnia may lead to serious health complications including heart attacks and stroke. Doomscrolling, caffeine consumption and anxiety about sleep can create vicious cycles that perpetuate sleep…

Do you find yourself reaching for an alcoholic drink to unwind and drift off to sleep? Whether it’s an old-fashioned, a hot toddy or even an espresso martini, many people have a favorite evening beverage that signals the end of a long day. But what’s…