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8 Αυγ 2008 · To characterize nocturnal event histories in the sleep hypnogram, two distinct methods were employed: multistate survival analysis and log-linear models.
1 Δεκ 2023 · Overall, the presence of REM, N2, sleep cycles, and N3 were associated with a normal sleep structure by experts. In contrast, wake, N1, and overall sleep fragmentation (i.e. a high amount of sleep stage changes per hour) contributed to an evaluation of an abnormal hypnogram.
30 Οκτ 2023 · Qualitative results showed mixed findings regarding the association between sleep disturbances and temporal summation of pain (TSP) and conditioned pain modulation (CPM), with poor sleep more commonly associated with decreased pain inhibition in both populations.
It will be important to determine whether the effect of sleep on pain, and vice versa, is moderated by key demographic variables, such as age, race, or sex. There is limited recent evidence that such interactions may reveal important sources of variance in the relation of sleep and pain.
for transitioning between rapid eye movement (REM) and non-REM (NREM) sleep,5 adequately characterizing sleep-stage transitions is a priority to better define the influence of specific factors (e.g., age and sex) on normal sleep structure and orga-nization.
14 Ιαν 2024 · Machine learning assessment showed that certain features of sleep stage distribution, sleep cycles, and sleep fragmentation are important predictors for expert interpretation. The present study thus tackles the gap of knowledge regarding the rating of hypnograms in a comprehensive way.
7 Φεβ 2018 · Stress and sleep are consistently interconnected, as evidenced in numerous studies reporting strong associations between anxiety levels and insomnia severity, 51, 52 such as in people with chronic low back pain. 10 Daily life stress (eg, worries about the next morning's workload) can negatively impact sleep. 53 Similarly, major stressful life ...