• Omolade Longe, Abiola Omodan, Guy Leschziner, and Ivana Rosenzweig.
• Omolade Longe, Hounslow Cognitive Impairment and Dementia Service, Lakeside Mental Health Unit, West Middlesex University Hospital, Twickenham Road, Isleworth Middlesex, TW7 6AF, UK, omolade.longe@doctors.org.uk.
• Croat. Med. J. 2022 Dec 31; 63 (6): 525535525-535.

AimTo establish patterns or themes of dreams and dreamlike mentation content reported in all forms of non-rapid eye movement (NREM) parasomnias and to identify gaps in the current understanding of this topic.MethodsA scoping review of available evidence on dreams and dreamlike mentation in NREM parasomnias was conducted in accordance with the PRISMA-ScR guidelines. We searched peer-reviewed literature using Google Scholar, PubMed, Ovid (Embase), Ovid Medline®, Global Health, and APA Psych Info. The Mixed Method Appraisal Tool (MMAT) was used to appraise the quality of selected articles.ResultsThe final analysis included 16 studies. All of the studies were from high-income countries. The studies reported on dreams and dreamlike mentation in NREM parasomnias, but there was scarcity of literature for sexsomnia, sleep-related eating disorder, and confusional arousal. All of the studies had the highest quality as shown by the MMAT (76%-100%). Emotions such as apprehension and misfortune were associated with sleepwalking and sleep terrors.ConclusionSleep studies involving collection of dream content immediately following NREM parasomnia could significantly minimize reporting bias and improve dream data quality.

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