Many people have experienced the same puzzling situation: waking up between 3 a.m. and 4 a.m. night after night. Everything seems normal when they go to bed, but suddenly they find themselves staring at the clock in the darkness. While the experience can feel unusual, experts say there are often clear and understandable reasons behind it. One of the most common explanations involves the body’s natural sleep cycle. Throughout the night, people move through different stages of sleep, ranging from deep rest to lighter phases. Between 3 a.m. and 4 a.m., many individuals enter a lighter stage of sleep, making...
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