What does our brain do when we sleep? How do we function without sleep? Our experts tell us what happens to us while we rest and dream.

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From sleep apnea to insufficient sleep, Dr. Michael Smith, Director of the Behavioral Sleep Medicine Program at John Hopkins University, explores the causes for sleep problems in today’s hectic society - and discusses the essential role that rest plays on our well-being.
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Dr. Michael Smith, Director of the Behavioral Sleep Medicine Program at John Hopkins University, examines the impact of sleep deprivation on our physical and mental health, as well as on our overall wellness.