Morningness‐eveningness and physical activity in adolescents

Schaal, Steffen; Peter, Michaela; Randler, Christoph

doi:10.1080/1612197x.2010.9671939

Cited by 57 publications

(55 citation statements)

References 59 publications

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“…From a type A report, recipients received advice that they should attempt an energy-saving morning-oriented lifestyle-with less electricity consumption for air conditioning and lighting at night. The report also stated that a morning-oriented lifestyle is also desirable in terms of the recipients' health [55][56][57] toward activating (2-3) "other motives" for behavioral changes. The evaluation result by report type implies that (2-3) "other motives" encouraged reduction in electricity consumption.…”

Section: Discussionmentioning

confidence: 99%

“…Ozawa et al found that the households in the 12-h group had a morning-oriented lifestyle and consumed on average 5.3% less electricity than households in the 24-h period group, which had a night-oriented lifestyle. A morning-oriented lifestyle also has health benefits [55][56][57], which can be viewed as a (2-3) motive for changing behavior. With the second method, Ozawa et al performed a cluster analysis of each household's daily load profiles to determine the typical load pattern.…”

Section: Analysis Methodology Of Residential Electricity-use Datamentioning

confidence: 99%

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Tailor-Made Feedback to Reduce Residential Electricity Consumption: The Effect of Information on Household Lifestyle in Japan

2017

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Abstract:Residential smart metering and energy feedback have attracted worldwide attention toward reducing energy consumption and building a sustainable society. Many theoretical studies have suggested the importance of personalized information; however, few feedback demonstrations have focused on household lifestyle. This paper presents a pilot program of energy feedback reports based on analytical methods to show the relationship between electricity consumption and household lifestyle in Japan. One type of report was for households with a night-oriented lifestyle, which were classified by means of frequency analysis; it was evident that such households should shift to a healthy, environmentally friendly, morning-oriented lifestyle. Another type of report was based on cluster analysis: it pinpointed the dates and times when the household consumed much more electricity than with its regular routine. Through panel data regression analysis, it was found that the reports contributed to reducing daily household electricity consumption-as long as a boomerang effect could be avoided. It was also found that the feedback effect was enhanced by activation of consciousness, norms, and motives. It was observed that activation required a good understanding of the characteristics of electricity consumption and lifestyles of each household.

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Section: Discussionmentioning

confidence: 99%

Section: Analysis Methodology Of Residential Electricity-use Datamentioning

confidence: 99%

Tailor-Made Feedback to Reduce Residential Electricity Consumption: The Effect of Information on Household Lifestyle in Japan

2017

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“…One variable that should be considered in the future is chronotype, i.e., diurnal preference of morningness versus eveningness. Chronotype has been found to impact health-related behaviors in adolescents, including engagement in more physical activity among morning-type adolescents and preference for more sedentary behavior among evening-type adolescents (Olds et al, 2011;Schaal et al, 2010;Urban et al, 2011).…”

Section: Discussionmentioning

confidence: 99%

“…Leptin is a hormone released by the adipocytes that suppresses appetite; ghrelin is a peptide in the stomach that stimulates appetite (Meier & Gressner, 2004). The relationship between sleep and obesity is likely bi-directional and influenced by a large number of possible moderating or mediating variables that may relate to sleep, weight status, or both, including daytime sleepiness (e.g., Calhoun et al, 2011), physical activity level (e.g., Jerrin et al, 2013), electronic use (e.g., Berkey et al, 2008;Chahal, Fung, Kuhle, & Veugelers, 2013), or chronotype (i.e., individual differences in circadian rhythm; Schaal, Peter, & Randler, 2010;Urban, Magyarodi, & Rigo, 2011). See the previously cited literature for additional information on alternative explanations for the pediatric sleep/obesity relationship and other potential moderating/mediating variables.…”

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confidence: 99%

Associations of sleep duration and regularity with level of obesity among youth in a weight loss program.

Chuang¹,

Fehr²,

Ievers‐Landis³

et al. 2015

Translational Issues in Psychological Science

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Follow this and additional works at: http://opensiuc.lib.siu.edu/psych_pubs This study evaluated the association of sleep duration and irregularity (shifts in sleep duration and wake/bedtimes from weekday to weekend) with baseline level of obesity in youth enrolled in a weight management program. The 288 youth ranged in age from 6 to 18 years old; 61.1% were female, and 52.5% were Caucasian. In adjusted models, shorter sleep duration was significantly related to higher BMI z scores. Two measures of sleep irregularity, bedtime and wake-time shift, were also each related to baseline BMI z scores, but these relationships did not remain significant in adjusted models. In gender-stratified adjusted regression models, shorter sleep duration and greater wake-time shift for females were significantly associated with higher BMI z scores. None of the sleep variables were significantly related to BMI z scores for males in adjusted models. Taken together, the results of this study support the relationship between sleep duration and regularity with level of obesity in a racially diverse sample of predominantly obese, treatment-seeking youth.

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“…[121][122][123] There is some evidence for a continuation of this relationship between sleep timing, chronotype, and physical activity into adulthood, with lower levels of physical activity in adults who have later sleep times 124 and a propensity for morningness in adult athletes. 125 It is thus important to consider both daytime activity patterns and sleep patterns as part of an overall 24-hour cycle and contributions of this to adverse health outcomes.…”

mentioning

confidence: 99%

Variations in the sleep–wake cycle from childhood to adulthood: chronobiological perspectives

Carpenter¹,

Robillard²,

Hickie³

2015

CPT

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Changes in the sleep-wake cycle across development from childhood to adulthood, typically involve a steady shortening of the sleep period and a delay of sleep phase, with a period of more rapid change across adolescence. Accompanying these changes is the maturation of neuroendocrine rhythms such as melatonin, cortisol, and pubertal hormones. These endogenous rhythms are closely associated with behavioral changes in rest and activity rhythms, although environmental factors such as light exposure and academic and social demands likely play an interactive role. Other behavioral aspects, such as physical activity and eating behaviors, are also associated with changes in sleep-wake rhythms, and may be mediational factors in the development of physical illnesses. The sleep-wake cycle and related factors are implicated in the development of mental illnesses. There are several potential avenues of future research that may be valuable in terms of improving interventions and treatments for both mental and physical illnesses.

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Morningness‐eveningness and physical activity in adolescents

Cited by 57 publications

References 59 publications

Tailor-Made Feedback to Reduce Residential Electricity Consumption: The Effect of Information on Household Lifestyle in Japan

Tailor-Made Feedback to Reduce Residential Electricity Consumption: The Effect of Information on Household Lifestyle in Japan

Associations of sleep duration and regularity with level of obesity among youth in a weight loss program.

Variations in the sleep–wake cycle from childhood to adulthood: chronobiological perspectives

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Morningness‐eveningness and physical activity in adolescents

Cited by 57 publications

References 59 publications

Tailor-Made Feedback to Reduce Residential Electricity Consumption: The Effect of Information on Household Lifestyle in Japan

Tailor-Made Feedback to Reduce Residential Electricity Consumption: The Effect of Information on Household Lifestyle in Japan

Associations of sleep duration and regularity with level of obesity among youth in a weight loss program.

Variations in the sleep&ndash;wake cycle from childhood to adulthood: chronobiological perspectives

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Variations in the sleep–wake cycle from childhood to adulthood: chronobiological perspectives