Abnormal sleep in patients with epileptic or dissociative (non-epileptic) seizures: a polysomnography study

European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies
S PopkirovC P Derry

Abstract

The aim of this study was to identify the prevalence of sleep disorders and measure the objective sleep quality in patients with seizure disorders. Patients admitted for video electroencephalography monitoring were prospectively recruited and polysomnography was performed on the third night of monitoring. A total of 4/44 (9%) patients with epilepsy and 2/22 (9%) patients with dissociative seizures were found to have mild sleep-disordered breathing. Three (7%) patients with epilepsy were found to have mild or moderate obstructive sleep apnea-hypopnea syndrome (OSAHS) and three (14%) patients with dissociative seizures had mild or moderate OSAHS. Most patients with sleep-disordered breathing or OSAHS were overweight or obese. Time awake after sleep onset was high in both groups. There were no significant differences in sleep architecture between the groups except for a difference in average N3 sleep stage proportion. Periodic limb movements (PLMs) were common in both groups and 27% of patients with dissociative seizures had both high PLM rates and high arousal indices, suggesting a high prevalence of probable PLM disorder in that group (compared with 9% in the epilepsy group). Our findings contradict the commonly reported high co...Continue Reading

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Citations

Jan 26, 2021·Epilepsy & Behavior : E&B·Lucas Lima NajarMarleide da Mota Gomes
Feb 25, 2021·Nature and Science of Sleep·Jakub VanekKamila Minarikova
Aug 8, 2021·Journal of Neurology, Neurosurgery, and Psychiatry·Johannes JungilligensStoyan Popkirov

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