ArticleCureus2025
Effect of Altered Sleep Duration on Sleep Bruxism.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionInconsistent findings have been reported regarding the relationship between sleep bruxism (SB) and sleep quality; therefore, the aim of the present study was to investigate the effect of sleep deprivation (SD) on masticatory muscle activity during sleep.
methodsTwenty-eight healthy participants were subjected to a five-day experimental protocol involving different sleep conditions, including baseline sleep (BS), one night of SD, and two nights of recovery sleep (RS1 and RS2). A portable electromyography device was used to measure SB events, and a Sleep Profiler device (Advanced Brain Monitoring Inc, Carlsbad, CA, USA) simultaneously recorded sleep parameters. The total sleep time, sleep efficiency, proportion of time spent in each sleep stage, microarousal index, and number of SB events were compared between the BS, RS1, and RS2 periods. The Epworth Sleepiness Scale, Stress Numerical Rating Scale-11, and World Health Organization-Five Well-Being Index for stress were used for subjective assessments, and values were compared between three time points (after BS, SD, and RS1).
resultsThe SB event frequency was significantly lower during RS1 than during BS (P < 0.001) and RS2 (P = 0.022). During RS1, the total sleep time (P = 0.039), sleep efficiency (P = 0.047), and proportion of sleep time in N3 (P = 0.019) were significantly higher, whereas the proportion of time spent in N2 was lower (P = 0.032). After SD, sleepiness and stress significantly increased, whereas well-being decreased (P < 0.001).
conclusionSD affects SB events, the frequency of which can be reduced by improving sleep quality to lower stress levels.
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