Pop awake at night? Researchers blame 'sleep switch' in your aging brain

Researchers report that they’ve found a group of neurons that function as a kind of “sleep switch,” and whose degeneration over the years may be the cause of age-related sleep loss. Clifford Saper, James Jackson Putnam Professor of Neurology and head of the Department of Neurology at Beth Israel Deaconess Medical Center, is cited.

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