Browsing: sleep

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…

New research from Florida International University is uncovering how sleep quality after traumatic brain injury (TBI) may be the key to preventing seizures and reducing the risk of post-traumatic epilepsy. Scientists are exploring how sleep, brain rewiring, and innovative treatments like transcranial magnetic stimulation (TMS) work together to safeguard brain health

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

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

Article information Abstract Full Text Bibliography Download PDFFigures (2) Tables (1) Table 1. Description of covariates at baseline. Additional material (1) Special issue This article is part of special issue: Sleep Disorders: Innovations in Clinical and Health Psychology, protective factors, risk factors, interventions and relationship with other clinical variables

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 junior 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

Missing a few hours of sleep may leave you feeling groggy the next morning, but growing evidence suggests the effects extend far beyond fatigue. Research has increasingly linked even short-term sleep deprivation to changes in how the body processes glucose, raising concerns that just a couple of nights of inadequate sleep could temporarily reduce insulin…