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Chronic Insufficient Sleep

The most common explanation for complaints of sleepiness in our society is inadequate sleep. Due to the stress and rigors of society, most Americans often get less than 7 hours of sleep per night. Based on the current sleep deprivation research findings, most individuals require 7.5 to 8.5 hours of sleep nightly in order to function at their best, emotionally, cognitively, and physically. Sleep deprivation can also magnify the severity of other sleep disorders including sleep apnea and restless legs syndrome.


Circadian Rhythms

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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Our Experts in the News

Learn from Dr. Rachel Salas about the benefits of a "sleep buddy"

Listen to Dr. Jeff Ellenbogen discuss How Sounds Undermine Sleep

Sleeping by Example: Interview with Leading Researcher and Johns Hopkins Neurologist, Dr. Rachel Salas

A new study's surprising news about how many Americans sleepwalk

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


Out-of-State and International Patients - Find Out More


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