This measures both circumference as well as rigidity changes that occur throughout the night especially during REM sleep. Differentiating between organic vs. psychological causes is important in directing appropriate therapy. Parasomnias Parasomnias are disorders which are related to sleep. These include night terrors, nightmares, sleep walking and bedwetting. Often full night sleep studies are necessary to document the presence of these parasomnias.
Effective therapies are often available.
Nocturnal Seizures Eighty percent of patients with seizure disorders have nocturnal seizures or seizure activity shortly upon awakening. Occasionally patients will display seizure activity only during sleep. Extended monitoring for nocturnal seizure activity can be performed during sleep in the Sleep Disorders Laboratory. Identifying nocturnal seizures will help lead to appropriate therapy.