Why You Wake Up at 3 AM: Segmented Sleep Explained
Waking up at 3 AM may not be a problem, but a remnant of an ancient sleep pattern known as segmented, or biphasic, sleep. Historically, humans rested in two di…
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Waking up at 3 AM may not be a problem, but a remnant of an ancient sleep pattern known as segmented, or biphasic, sleep. Historically, humans rested in two di…