Sleep Disorders Choose a Subcategory Sleep Disorder Basics Sleep and Children Sleep Apnea Sleep and the Elderly Jet Lag Insomnia Restless Legs Syndrome Narcolepsy Current Topics in Sleep Disorders Related Topics - Men's Health - Women's Health Featured Video Sleeping Like a Baby Video Transcript Why is it that babies can sleep 14 hours a day and adults struggle to manage eight? The answer lies in the structure of the sleep cycles. Learn how sleep changes as we age. Related Topics Choose a related topic below - Men's Health - Women's Health

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