Sleep-Related Eating Disorder Induced by Risperidone

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Sir: We read with great interest the letter by Paquet et al^.1 on sleep-related eating disorder (SRED) induced by olanzapine. The authors presented a case of SRED induced by the addition of olanzapine for the treatment of bipolar I disorder. It is the first case report describing an association between SRED and olanzapine use. Here, we present another case of atypical antipsychotic-induced SRED that was induced by the addition of risperidone for the treatment of psychotic disorder due to vascular dementia. SRED was related to the patient’s risperidone dose.