| Non-REM parasomnia | REM behavior disorder | Nocturnal seizures | Psychogenic events | |
|---|---|---|---|---|
| Time of occurrence | First 1/3 of night | During REM | Any time | Any time |
| Memory of event | Usually none | Dream recall | Usually none | None |
| Stereotypical movements | None | None | Yes | None |
| Poly-somnogram findings | Arousals from delta sleep | Excessive EMG tone during REM | Potentially epileptiform activity | Occur from awake state |
REM = rapid eye movement; EMG = electromyography
Adapted from: Malow, BA, and Vaughn BV. Sleep disorders and epilepsy. In: Ettinger AB and Devinsky O, eds. Managing epilepsy and co-existing disorders. Boston: Butterworth-Heinemann; 2002;265. With permission from Elsevier (www.elsevier.com).
Reviewed By:
Steven C. Schachter MD
on:
Thursday, April 1, 2004
