Overlap between individual variation in personality traits and sleep-wake behavior

Putilov, Arcady A.; Nechunaev, Victor V.; Budkevich, Roman O.; Budkevich, Elena V.; Коломейчук, С. Н.; Morozov, A. I.; Plusnin, Juri; Sveshnikov, Dmitry S.; Donskaya, Olga G.; Verevkin, Evgeniy G.; Arsen’ev, G. N.; Puchkova, Alexandra N.; Дорохов, В. Б.

doi:10.1007/s12144-021-01495-z

Cited by 3 publications

(1 citation statement)

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“…Refs. [11,12,[14][15][16]19,[35][36][37][38][39][40][41] are cited in the Supplementary Materials. Funding: The Russian Science Foundation provided financial support for VBD in the form of grant # 22-28-01769.…”

Section: Supplementary Materialsmentioning

confidence: 99%

The Irrecoverable Loss in Sleep on Weekdays of Two Distinct Chronotypes Can Be Equalized by Permitting a >2 h Difference in Waking Time

et al. 2022

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Background: Our work/study culture is biased towards the circadian clocks of “morning types”, whereas “evening types” are forced to advance their weekday waking times relative to weekend waking times. Since the experimental research consistently reveals a >2 h difference between these two chronotypes in the positions of their endogenous circadian phases, we hypothesized the necessity to permit a >2 h difference between them in weekday waking times to equalize their irrecoverable loss in sleep on weekdays. Methods: A total of 659 and 1106 participants of online surveys identified themselves as morning and evening types, respectively. The hypothesis was tested by applying a model of sleep–wake regulation for simulating sleep times reported by 245 lecturers of these two types, and by comparison of sleep times of these types among these lecturers and 1520 students. Results: The hypothesis was supported by results showing that, if, on weekdays, an “average” morning type wakes at 6 a.m., the equalization of the weekday sleep loss of the two chronotypes would require the waking time of an “average” evening type to be no earlier than 8 a.m. Conclusions: These results may be implemented in a model-based methodology for the correction of weekday waking times to equalize weekday sleep loss.

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Section: Supplementary Materialsmentioning

confidence: 99%

The Irrecoverable Loss in Sleep on Weekdays of Two Distinct Chronotypes Can Be Equalized by Permitting a >2 h Difference in Waking Time

et al. 2022

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Evening chronotype, insufficient weekday sleep, and weekday-weekend gap in sleep times: What is really to blame for a reduction in self-perceived health among university students?

Putilov

Sveshnikov

Bakaeva

et al. 2023

Chronobiology International

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The psychophysiological state of a person in altered magnetic conditions

Kovrov,

Popova,

Chernikova

et al. 2024

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Introduction. Due to the fact that manned space flights beyond Earth orbit are planned in the near future, it becomes relevant to study the effects of the Earth’s reduced magnetic field on humans.Objective. To evaluate the features of sensorimotor reactions, quality of night sleep (nocturnal sleep) and the development of daytime sleepiness during a 24-hour stay under hypomagnetic conditions (HMC).Materials and methods. Experimental studies with the participation of 6 male volunteers aged 26 to 37 years were conducted in 2023. In total, four experimental series were carried out, lasting 24 hours each. The subjects were exposed to hypomagnetic conditions in three groups (the average value was between 0.05–0.14 µT). There was no exposure to such conditions in the placebo group.The research methods included questionnaires regarding the quality and characteristics of night sleep, daytime wakefulness, as well as the study of sensorimotor functions. Statistical processing was carried out by the Statistica 13.0 software package.Results. Daytime sleepiness was found to increase under hypomagnetic conditions in 66% of observations as compared to 33% of cases in the placebo series (p=0.003). Immediately following the cessation of experimental exposure, a rapid activation of the central nervous system was observed, which was expressed in a statistically significant decrease in the total visual-motor reaction time.Conclusions. Under hypomagnetic conditions, the work of brain sleep mechanisms is preserved. Daytime drowsiness that develops under hypomagnetic conditions indicates the possibility of changes in circadian rhythmicity in brain activating systems. The rapid activation of the central nervous system reported immediately following the termination of hypomagnetic conditions has a compensatory character. The revealed features of hypomagnetic conditions influence on the sleep-wake cycle and sensorimotor functions suggest further studies of daytime sleepiness using additional subjective and objective methods of wakefulness level and activity of the central nervous system assessment.

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Overlap between individual variation in personality traits and sleep-wake behavior

Cited by 3 publications

References 60 publications

The Irrecoverable Loss in Sleep on Weekdays of Two Distinct Chronotypes Can Be Equalized by Permitting a >2 h Difference in Waking Time

The Irrecoverable Loss in Sleep on Weekdays of Two Distinct Chronotypes Can Be Equalized by Permitting a >2 h Difference in Waking Time

Evening chronotype, insufficient weekday sleep, and weekday-weekend gap in sleep times: What is really to blame for a reduction in self-perceived health among university students?

The psychophysiological state of a person in altered magnetic conditions

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