Is Sleep-Related Eating Disorder (SRED) a NREM Parasomnia or a Heterogenous Disease?

Author:

Zobrist Nico1ORCID,Zhang Zhongxing1ORCID,Khatami Ramin12

Affiliation:

1. Centre for Sleep Medicine, Sleep Research and Epileptology, Klinik Barmelweid AG, 5017 Barmelweid, Switzerland

2. Department of Neurology, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland

Abstract

Sleep-related eating disorder (SRED) is a relatively rare but probably underestimated disorder, where affected patients exhibit nocturnal eating episodes with impaired consciousness and subsequent amnesia. SRED has originally been classified as NREM (non-rapid eye movement) parasomnia, with an obviously high number of concomitant sleep disorders. We suggest that SRED may represent a heterogenous disease, based on accumulating data in recent studies. Some SRED patients may be better classified as sleep-related movement disorders with an underlying dopaminergic dysfunction. Hypnotic drugs may play a crucial role in triggering amnestic SRED in both parasomnic and sleep-related movement-disordered SRED.

Publisher

MDPI AG

Subject

General Medicine

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