![]() New research suggests chronic sleep loss can lead to a loss of brain cells. “But some of the research in humans has shown that attention span and several other aspects of cognition may not normalize even with three days of recovery sleep, raising the question of lasting injury in the brain.”įurther research is planned to determine if humans are susceptible to the observed brain damage through extended periods of wakefulness, and if brain damage could be linked to Parkinson’s and Alzheimer’s diseases. ![]() Sigrid Veasey, associate professor of Medicine at UPenn and part of the research team. “In general, we’ve always assumed full recovery of cognition following short- and long-term sleep loss,” said Dr. After three days of testing, they found that the mice had experienced increased cell death and lost 25 percent of the neurons essential for “alertness and optimal cognition” - a result researchers fear could also happen in humans. Scientists at the University of Pennsylvania School of Medicine studied lab mice while rotating them through periods of rest, short and extended wakefulness - similar to the day-to-day sleep patterns of shift workers. ![]() Some people develop insomnia after a stressful event, such as a bereavement, problems at work, or financial difficulties. These include: Feeling tired, unwell or sleepy. Because you need sleep to be your best, disruptions like insomnia commonly cause symptoms that affect you while you’re awake. Sometimes it’s not possible to identify a clear cause. Late (early waking) insomnia: This form means you wake up too early in the morning and don’t fall back asleep. Research published in the Journal of Neuroscience Tuesday claims that chronic sleep loss can lead to a permanent loss of brain cells - nullifying any hope to “make up” for lost sleep. Insomnia can be triggered by a number of possible factors, including worry and stress, underlying health conditions, and alcohol or drug use. A sleepless night can cause a lot more than a sluggish day, a new study warns.
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