Sentences with phrase «sleep increases variability»
A new study of adolescents suggests that obtaining an insufficient amount of sleep increases variability in sadness, anger, energy and feelings of sleepiness.
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Results show that adolescents showed increased variability in sadness, anger, and sleepiness when sleep was restricted compared to when sleep was extended.
«We've known for a while that shift workers are associated with increased health risks, and shift workers have extreme variability in their sleep timing between workdays and non-workdays,» Knutson says.
Results show that adolescents showed increased variability in sadness, anger, and sleepiness when sleep was restricted compared to when sleep was extended.
In contrast, initial levels of depressive symptoms in the spring of the senior year of high school predicted increased subjective sleep problems and actigraphy - measured sleep onset latency and sleep start variability in the fall of the first year of college.
In addition, the authors found that conflict with mothers (but not fathers) was associated with increased sleep variability whereas intimacy with parents was not associated with either sleep duration or sleep variability in this sample.