Sleep and lifestyle habits in morning and evening types of human circadian rhythm

Sukegawa, Mayo; Noda, Akiko; Morishita, Yuki; Ochi, Hikari; Miyata, Seiko; Honda, Kumiko; Maeno, Norikazu; Ozaki, Norio; Koike, Yasuo

doi:10.1080/09291010701794404

Cited by 16 publications

(11 citation statements)

References 16 publications

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“…The administration in the hospital under study did not, however, arrange shifts according to chronotype. Evening type participants were shown to have more negative habits than morning types ( 14 ). Morning-types had early sleep schedules and circadian rhythms, and regular waking-, bed-, and sleep-time.…”

Section: Discussionmentioning

confidence: 99%

“…Evening types, on the other hand, had late sleep schedules and circadian rhythms, and irregular waking-, bed- and sleep-time. Also, evening-types experienced more common irregular sleep and lifestyle habits, and dissatisfaction with the sleep ( 14 ).…”

Section: Discussionmentioning

confidence: 99%

“…Some studies investigated how circadian type influenced the performance of individuals ( 14 ). The circadian types are morning-type, evening-type, and intermediate type.…”

mentioning

confidence: 99%

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Morning-evening type and burnout level as factors influencing sleep quality of shift nurses: a questionnaire study

Demir¹,

Arslan²

2011

Croat Med J

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AimTo assess the relationship between sleep quality and demographic variables, morning-evening type, and burnout in nurses who work shifts.MethodsWe carried out a cross-sectional self-administered study with forced choice and open-ended structured questionnaires – Pittsburg Sleep Quality Index, Morningness-eveningness Questionnaire, and Maslach Burnout Inventory. The study was carried out at Gazi University Medicine Faculty Hospital of Ankara on 524 invited nurses from July to September 2008, with a response rate of 89.94% (n = 483). Descriptive and inferential statistics were applied to determine the risk factors of poor sleep quality.ResultsMost socio-demographic variables did not affect sleep quality. Participants with poor sleep quality had quite high burnout levels. Most nurses who belonged to a type that is neither morning nor evening had poor sleep quality. Nurses who experienced an incident worsening their sleep patterns (P < 0.001) and needlestick or sharp object injuries (P = 0.010) in the last month had poor sleep quality. The subjective sleep quality and sleep latency points of evening types within created models for the effect of burnout dimensions were high.ConclusionsNurses working consistently either in the morning or at night had better sleep quality than those working rotating shifts. Further studies are still needed to develop interventions that improve sleep quality and decrease burnout in nurses working shifts.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Morning-evening type and burnout level as factors influencing sleep quality of shift nurses: a questionnaire study

Demir¹,

Arslan²

2011

Croat Med J

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“…Sleep quality is also associated with chronotype: individual differences in time-of-day preference [37] , [38] . It has been found that evening-types (who prefer later bed and rising times), have less regular sleeping habits, less time in bed during the week, and more time in bed at weekends [39] , [40] . Poorer subjective sleep quality and more daytime sleepiness are also more frequent in evening-types [41] , [42] , [43] , who also consume more alcohol, caffeine, and tobacco [39] , [41] , [43] , [44] and report more emotional and psychological problems, such as anxiety and depression [38] , [42] .…”

Section: Introductionmentioning

confidence: 99%

Mind Wandering, Sleep Quality, Affect and Chronotype: An Exploratory Study

Carciofo

Song

et al. 2014

PLoS ONE

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Poor sleep quality impairs cognition, including executive functions and concentration, but there has been little direct research on the relationships between sleep quality and mind wandering or daydreaming. Evening chronotype is associated with poor sleep quality, more mind wandering and more daydreaming; negative affect is also a mutual correlate. This exploratory study investigated how mind wandering and daydreaming are related to different aspects of sleep quality, and whether sleep quality influences the relationships between mind wandering/daydreaming and negative affect, and mind wandering/daydreaming and chronotype. Three surveys (Ns = 213; 190; 270) were completed with Chinese adults aged 18–50, including measures of sleep quality, daytime sleepiness, mind wandering, daydreaming, chronotype and affect (positive and negative). Higher frequencies of mind wandering and daydreaming were associated with poorer sleep quality, in particular with poor subjective sleep quality and increased sleep latency, night-time disturbance, daytime dysfunction and daytime sleepiness. Poor sleep quality was found to partially mediate the relationships between daydreaming and negative affect, and mind wandering and negative affect. Additionally, low positive affect and poor sleep quality, in conjunction, fully mediated the relationships between chronotype and mind wandering, and chronotype and daydreaming. The relationships between mind wandering/daydreaming and positive affect were also moderated by chronotype, being weaker in those with a morning preference. Finally, while daytime sleepiness was positively correlated with daydream frequency, it was negatively correlated with a measure of problem-solving daydreams, indicating that more refined distinctions between different forms of daydreaming or mind wandering are warranted. Overall, the evidence is suggestive of a bi-directional relationship between poor sleep quality and mind wandering/daydreaming, which may be important in attempts to deal with sleep problems and improve sleep quality. These findings and further research on this topic may also have implications for definitions and theories of mind wandering and daydreaming.

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“…Cortesi et al (2004) found that sleep/wake schedule irregularity increased with age and was associated with poor sleep, higher level of drowsiness, and tendencies to fall asleep during lessons and to report more accidents. ''Evening-types'', contrary to ''morning-types'', tend to have late sleep schedules, irregular waking time, bedtime, and sleep time, and are more often dissatisfied with their sleep (Wittmann et al 2006;Sukegawa et al 2009). Although sleep habits and circadian preference (i.e.…”

Section: Introductionmentioning

confidence: 99%

Sleep beliefs and chronotype among adolescents: the effect of a sleep education program

Díaz‐Morales¹,

Prieto²,

Barreno³

et al. 2012

Biological Rhythm Research

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Knowledge of the sleep beliefs among adolescents is relevant in order to promote primary prevention of unhealthy lifestyles related to sleep hygiene. In study 1, sleep beliefs among 11-16-years-old adolescents were explored according to gender, age, and chronotype. Adolescents completed the Sleep Beliefs Scale (SBS; Adan A, Fabbri M, Natale V, Pratt G. 2006. SBS and circadian typology. J Sleep Res. 15:125-132) and the Morningness-Eveningness Scale for Children (MESC; Carskadon MA, Vieira C, Acebo C. 1993. Association between puberty and delayed phase preference. Sleep. 16:258-262) during normal school schedule. Results indicated incorrect sleep beliefs among boys and evening-types. In study 2, the effect of a sleep education program on sleep beliefs was analyzed. Results showed an increase of mean scores and percentage of correct responses of SBS after a sleep education program, especially among evening-type adolescents.

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Sleep and lifestyle habits in morning and evening types of human circadian rhythm

Cited by 16 publications

References 16 publications

Morning-evening type and burnout level as factors influencing sleep quality of shift nurses: a questionnaire study

Morning-evening type and burnout level as factors influencing sleep quality of shift nurses: a questionnaire study

Mind Wandering, Sleep Quality, Affect and Chronotype: An Exploratory Study

Sleep beliefs and chronotype among adolescents: the effect of a sleep education program

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