{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T15:19:28Z","timestamp":1787066368648,"version":"build-2736575974"},"reference-count":10,"publisher":"BMJ","issue":"12","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2021,12,10]]},"published-print":{"date-parts":[[2021,12]]},"abstract":"<jats:p>We present the case of a 65-year-old woman diagnosed with rapid eye movement sleep behaviour disorder (REMBD) based on typical symptoms and confirmed with an inpatient polysomnogram. She was prescribed clonazepam and later temazepam but continued to have intrusive symptoms. She subsequently recalled that the onset of dream enactment coincided with starting high-dose omeprazole for acid reflux. With this insight, she stopped the omeprazole. Within days, the dream enactment and nocturnal movements subsided. She stopped taking the temazepam and was symptom free for a few months. However, she was started on lansoprazole for recurrent dyspepsia. Once again she experienced violent movements in sleep. This is the first time an association between proton pump inhibitors (PPIs) and REMBD has been reported. PPIs have many effects on the central nervous system and should be considered as a possible provoking factor in people presenting with REMBD.<\/jats:p>","DOI":"10.1136\/bcr-2021-246469","type":"journal-article","created":{"date-parts":[[2021,12,31]],"date-time":"2021-12-31T05:26:15Z","timestamp":1640928375000},"page":"e246469","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":2,"title":["Proton pump inhibitors associated with rapid eye movement sleep behaviour disorder"],"prefix":"10.1136","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2578-461X","authenticated-orcid":false,"given":"Ruwanthi","family":"Jayasekara","sequence":"first","affiliation":[{"name":"Respiratory Support and Sleep Centre (RSSC), Royal Papworth Hospital NHS Foundation Trust, Cambridge, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ian","family":"Smith","sequence":"additional","affiliation":[{"name":"Respiratory Support and Sleep Centre (RSSC), Royal Papworth Hospital NHS Foundation Trust, Cambridge, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2021,12,31]]},"reference":[{"key":"2025082711021494000_14.12.e246469.1","doi-asserted-by":"crossref","first-page":"293","DOI":"10.1093\/sleep\/9.2.293","article-title":"Chronic behavioral disorders of human REM sleep: a new category of parasomnia","volume":"9","author":"Schenck","year":"1986","journal-title":"Sleep"},{"key":"2025082711021494000_14.12.e246469.2","doi-asserted-by":"crossref","first-page":"120","DOI":"10.1093\/sleep\/25.2.120","article-title":"Rem sleep behavior disorder: clinical, developmental, and neuroscience perspectives 16 years after its formal identification in sleep","volume":"25","author":"Schenck","year":"2002","journal-title":"Sleep"},{"key":"2025082711021494000_14.12.e246469.3","doi-asserted-by":"publisher","DOI":"10.5665\/sleep.2874"},{"key":"2025082711021494000_14.12.e246469.4","doi-asserted-by":"publisher","DOI":"10.1016\/j.sleep.2010.02.016"},{"key":"2025082711021494000_14.12.e246469.5","unstructured":"Bassetti CL , Dogas Z , Peigneux P . 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