Sleep Disorders

Afternoon slump in reward response

Activation of a reward-processing brain region peaks in the morning and evening and dips at 2 p.m., finds a study of healthy young men published in The Journal of Neuroscience. This finding may parallel the drop in alertness ...

21 hours ago
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The statistics of human sleep

When Yogesh Lad traveled halfway around the world to pursue a master's degree in systems engineering at Missouri S&T, he never imagined he would be spending so much time with biologists.

Aug 08, 2017
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Concerns that sleep apnea could impact healthspan

The number of people with obstructive sleep apnea has steadily increased over the past two decades. The disorder, which causes a person to briefly stop breathing when asleep, affects over 100 million people globally and is ...

Jul 27, 2017
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Being bullied may dramatically affect sleep

New research from McLean Hospital neuroscientists shows in an animal model that being bullied can have long-term, dramatic effects on sleep and other circadian rhythm-related functions, symptoms that are characteristic of ...

Aug 10, 2017
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A sleep disorder, or somnipathy, is a medical disorder of the sleep patterns of a person or animal. Some sleep disorders are serious enough to interfere with normal physical, mental and emotional functioning. Polysomnography is a test commonly ordered for some sleep disorders.

Disruptions in sleep can be caused by a variety of issues, from teeth grinding (bruxism) to night terrors. When a person suffers from difficulty in sleeping with no obvious cause, it is referred to as insomnia. In addition, sleep disorders may also cause sufferers to sleep excessively, a condition known as hypersomnia. Management of sleep disturbances that are secondary to mental, medical, or substance abuse disorders should focus on the underlying conditions.

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