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Rapid eye movement sleep: Keystone of memory formation

For decades, scientists have fiercely debated whether rapid eye movement (REM) sleep -- the phase where dreams appear -- is directly involved in memory...

How the brain consolidates memory during deep sleep

Research strongly suggests that sleep, which constitutes about a third of our lives, is crucial for learning and forming long-term memories. But exactly how...

How much sleep do we really need?

Loyola University Chicago Stritch School of Medicine researcher Lydia DonCarlos, PhD, is a member of an expert panel that’s making new recommendations on how...