What makes one person greet the day with smiles and energy, and another hide under the covers until the last possible moment? It's a combination of genetics, the environment and our lifestyle choices, says sleep specialist Mark Wu.
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More Daylight, Less Sleep? Dr. Rachel Salas offers recommendations that may help you rest easier.
Probing the Mysteries of Brain Injury and Sleep
Find out how Hopkins researchers are investigating the brain pathway problems related to traumatic brain injury and insomnia