Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"diurnal preference"”.
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Diurnal preference and sports performance : a subjective and genetic view
[T]he purpose of this study was to describe the distribution of morning- or evening-preferring individuals (measured using the Horne-Östberg morningness-eveningness personality questionnaire) and PER3 VNTR polymorphism (from genomic DNA products extracted from human buccal cell samples amplified …
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Circadian rhythm, activity level, training habits and sports performance : the molecular and subjective components
… and rest (sleep) are known as chronotype or diurnal preference; which arise due to differences in circadian rhythmicity due to the fact that rhythms are not exactly 24-hours. Various polymorphisms of certain genes involved in circadian rhythm generation have been associated with extreme …
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Markers of Circadian Disruption and Reproductive Risk Factors for Breast Cancer
… of nocturnal melatonin and prolactin by age and diurnal preference was additionally investigated. Results: The hazard of natural menopause was observed to be lower in women who had worked >10 years of rotating shifts since baseline (HR: 0.76; 95% CI: 0.69-0.85), in the direction of our …
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Evaluating sleep and circadian rhythm disturbances and symptoms of impulsivity and inattention: Implications for adult attention-deficit/hyperactivity disorder
… individual differences in human chronotype and diurnal preference have been linked with impulsivity and attention problems in adults. In the work presented here we examined associations between a later circadian phase of entrainment, impaired sleep quality, and circadian misalignment and how …
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The influence of sleep-wake behaviour and chronotype on the match-play and physical performance of tennis players
… sleep-wake behaviour (SWB), chronotype, and diurnal variation have on skill execution, physical attributes and match-play outcomes in other sports and how few studies have explored their impact on tennis players. Chapter three of this thesis investigated the relationship between chronotype …
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The role of chronotype in the participation and performance of South African and Dutch marathon runners
… reach a certain level may influence a person’s diurnal preference, i.e. preference for mornings (morning-types) or evenings (evening-types), and is referred to as ‘chronotype’. Many different factors may affect a person’s chronotype, including age, sex, physical activity, ethnicity and …
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Chronotype in the South African population: the influence of longitudinal location
… and sunset, results in a phenomenon known as diurnal preference or chronotype. A person may have a morning-chronotype, where they enjoy rising and being active early in the day, an evening-chronotype where they prefer to be active later in the day into the late night, retiring in the early …