Obtaining an accurate 24-hour-sleep-wake history is extremly important. History should be focused also on relevant factors as medical history, compensation of epilepsy, type and frequency of epileptic seizures, their incidence according to circadian cycle and actual antiepileptic medication, or other drug and medication use. Also social, enviromental or psychological conditions, which may interfere with sleep quality, should be evaluated. Neurological examination in connection with neuroimaging methods (MRI) can detect cerebral leasions as the reason of sleep problems. Standard EEG evaluation is recommended to detect abnormalities in EEG activity and interictal epileptic discharges. Epworth Scale of Sleepiness (ESS) is widely used questionnaire to quantify severity of daytine sleepiness. Score above.
