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Brain's Energy Restored During Sleep, Suggests Animal Study

(Science Daily) In the initial stages of sleep, energy levels increase dramatically in brain regions found to be active during waking hours, according to new research… These results suggest that a surge of cellular energy may replenish brain processes needed to function normally while awake.

A good night's rest has clear restorative benefits, but evidence of the actual biological processes that occur during sleep has been elusive…

"This research provides intriguing evidence that a sleep-dependent energy surge is needed to facilitate the restorative biosynthetic processes," said Robert Greene, MD, PhD…, a sleep expert who was unaffiliated with the study.

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