Browsing: sleep

There are plenty of ways to fall asleep, but some positions can affect your spine, back, and sleep quality

For years, sleep scientists have documented many problems with daylight saving time (DST), which requires changing clocks twice a year. After time changes, incidences of adverse cardiovascular events and mood disorders increase, and the frequency of vehicular crashes rises. Our bodies are entrained by daily light and dark periods, and even the one-hour shift in…

July 20, 2026 ByMaureen Salamon, Executive Editor, Harvard Women’s Health Watch

SUSTAINED sleep deprivation disrupts multiple organ systems, requiring targeted clinical interventions to prevent chronic diseases. Clinical evidence indicates that sleep deprivation triggers acute neuroinflammation by activating microglial pathways and elevating circulating levels of interleukin-6 and tumor necrosis factor-alpha. These inflammatory responses increase blood-brain barrier permeability and damage hippocampal cell proliferation, leading to severe cognitive deficits…

We often treat sleep as time taken away from more productive or enjoyable activities. We stay up to finish work, answer emails, watch another episode, or reclaim a little personal time at the end of the day

Exercising regularly can improve sleep by helping you fall asleep faster, increasing sleep duration, and leaving you feeling stronger in the morning

Skimping on sleep leads to weight gain at the rate of one pound (a little under half a kilogramme) every six weeks, a small study suggests

According to a new study published in the Annals of Internal Medicine, regularly missing about 90 minutes of sleep each night can lead to nearly half a kilo of weight gain in six weeks

It is four in the morning, and the ward is quiet. A resident doctor has been on her feet for nine hours. She is tired, her muscles are sore and her eyes are straining, but when her shift ends at six in the morning and she finally gets home, she struggles to sleep

Prevention interviewed Beth Malow, MD, Professor of Neurology and Pediatrics in the Vanderbilt Sleep Division, for a story about two randomized trials published in Annals of Internal Medicinethat found decreasing sleep by just 1.5 hours each night was linked with increases in body weight, waist circumference, and sedentary time in adults with elevated cardiometabolic risk. Yahoo Healthalso picked…