Abstract
Sleep-related eating disorder (SRED) is defined by the amnestic eating behavior during sleep. Recently several peer reviewed case reports of SREDs have emerged in the medical literature with emphasis on concurrent use of hypnotics. The characteristics of hypnotic-related SRED can be summarized as sleepwalking, incomplete arousal, and compulsive eating behavior after the exposures to hypnotics. In this chapter, the authors reviewed existing case reports, summarized the findings, and suggested the mechanisms and management of hypnotic-related SRED. Most commonly reported hypnotic in these reports was zolpidem. Zolpidem was assumed to induce SRED based on the close temporal relationship between SRED manifestations and the initiation or change of the drug ingestion, and the resolution of symptoms after withdrawal, dose reduction, or formulation change. Across the reviewed cases, prescribed zolpidem dose was usually within the recommended range, but the latency to the development of SRED after the exposure and the frequency of symptoms were variable. Age-related vulnerability or gender predilection was not documented. History of prior eating disorder as well as co-existing sleep disorders (obstructive sleep apnea (OSA) and restless legs syndrome (RLS)) were common, and these were identified as predisposing factors along with poor sleep hygiene as well as a history of sleepwalking. It is thus recommended to screen these predisposing factors before initiating hypnotics in patients who are suffering from insomnia. Additionally, the presence of SRED should be regularly checked during the pharmacologic therapy for insomnia.
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Abbreviations
- GABA:
-
Gamma-aminobutyric acid
- OSA:
-
Obstructive sleep apnea
- RLS:
-
Restless legs syndrome
- SRED:
-
Sleep-related eating disorder
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Summary points
Summary points
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Hypnotics could precipitate sleep-related eating disorder (SRED) in subjects with predisposing medical or environmental factors.
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Zolpidem, among all drugs, seems to have a prominent inducing effect, as was seen in most of the reviewed cases.
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Before initiating medication, subjects should be carefully screened for presence of predisposing factors, such as comorbid obstructive sleep apnea (OSA), restless legs syndrome (RLS), sleepwalking, poor sleep hygiene, and previous history of eating disorder.
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The frequency of SRED and latency between the onset of SRED and the use of hypnotics are variable; therefore, the presence of SRED should be regularly checked during pharmacologic therapy for insomnia.
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Yun, C.H., Kim, H., Park, S.H. (2013). Sleep-related eating as a side effect of drugs for insomnia. In: Preedy, V.R., Patel, V.B., Le, LA. (eds) Handbook of nutrition, diet and sleep. Human Health Handbooks, vol 3. Wageningen Academic Publishers, Wageningen. https://doi.org/10.3920/978-90-8686-763-9_26
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DOI: https://doi.org/10.3920/978-90-8686-763-9_26
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