{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T17:04:43Z","timestamp":1790960683868,"version":"4.1.0"},"reference-count":30,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2023,10,3]],"date-time":"2023-10-03T00:00:00Z","timestamp":1696291200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontierspartnerships.org"],"crossmark-restriction":true},"short-container-title":["J. pharm. pharm. sci."],"abstract":"<jats:p><jats:bold>Purpose:<\/jats:bold> Dexmedetomidine exerts a sedative effect by promoting the sleep pathway endogenously and producing a state similar to N2 sleep. This study aimed to study the efficacy and safety of dexmedetomidine nasal spray in the treatment of postoperative sleep disturbance.<\/jats:p><jats:p><jats:bold>Methods:<\/jats:bold> This study enrolled 120 participants [men and women; age, 18\u201340\u00a0years; American Society of Anesthesiologists grade, I or II] who underwent maxillofacial surgery under general anesthesia through nasotracheal intubation. The participants were randomly divided into three groups: blank control group (BC group), 1.0\u00a0\u03bcg\/kg dexmedetomidine group (1.0 Dex group), and 1.5\u00a0\u03bcg\/kg dexmedetomidine group (1.5 Dex group), with 40 patients allocated to each group. At 21:30 on the night after the operation, the intervention groups were administered their corresponding doses of dexmedetomidine nasal spray. The Pittsburgh Sleep Quality Index (PSQI) scale was used to evaluate the baseline sleep status of participants 1\u00a0month preoperatively and on the night after the operation. Polysomnography (PSG) was used to record the sleep status on the night after the operation. We recorded the rescue times of sedative and analgesic drugs on the first night after surgery, adverse reactions, total hospital stay duration, and total costs.<\/jats:p><jats:p><jats:bold>Results:<\/jats:bold> Compared with patients in the BC group, those in 1.0 Dex and 1.5 Dex groups had longer N2 sleep duration, were awake for a shorter time after dose administration, woke up less often, and had significantly improved sleep efficiency (<jats:italic>p<\/jats:italic> &amp;lt; 0.05). Compared with the BC group, the PSQI scores of 1.0 Dex and 1.5 Dex groups were significantly lower on the night after operation, and the proportion of PSQI &amp;gt; 5 was significantly lower (<jats:italic>p<\/jats:italic> &amp;lt; 0.05). Compared with patients in the BC group and the 1.0 Dex group, those in the 1.5 Dex group had significantly prolonged N3 sleep, reduced frequency of requiring sufentanil rescue, lower incidence of sore throat after surgery, and shorter average length of hospital stay (all, <jats:italic>p<\/jats:italic> &amp;lt; 0.05).<\/jats:p><jats:p><jats:bold>Conclusion:<\/jats:bold> The sleep quality of participants on the night after having undergone maxillofacial surgery was safely and effectively improved by 1.0\u20131.5\u00a0\u03bcg\/kg dexmedetomidine atomized nasal sprays. Notably, only the latter could prolong N3 sleep. <jats:italic>Level of Evidence II<\/jats:italic>: Evidence was obtained from at least one properly designed randomized controlled trial.<\/jats:p>","DOI":"10.3389\/jpps.2023.11699","type":"journal-article","created":{"date-parts":[[2023,10,3]],"date-time":"2023-10-03T04:11:51Z","timestamp":1696306311000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":14,"title":["Clinical observation of dexmedetomidine nasal spray in the treatment of sleep disorders on the first night after undergoing maxillofacial surgery: a single-center double-blind randomized controlled 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