Tuesday, May 22, 2007

To sleep, to dream, to tic ...

Sleep disturbances often go hand-in-hand with Attention Deficit Hyperactivity Disorder (ADHD) and tic disorder but there have been relatively few studies of the nature of sleep problems in the two conditions. A study of 32 children in Gottingen, Germany has found that ADHD was primarily characterized by an increse in rapid eye movement (REM) sleep whereas patients with tic disorder had less efficient sleep and were lighter sleepers.

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