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Relationship between circadian rhythms and selected biopsychosocial phenomena in healthy and clinical population
Fárková, Eva ; Kopřivová, Jana (advisor) ; Kunešová, Marie (referee) ; Sumová, Alena (referee)
Introduction: Circadian rhythms are typically manifested by individual timing of the sleep-wake cycle, expressed as a specific chronotype. Social jet-lag (SJL) is a phenomenon related to circadian preference as it reflects the phase misalignment of internal biological and external social time. SJL occurs when a person does not have the opportunity to fall asleep and get up in accordance with chronotype. Chronotype and SJL are phenomena that have recently been increasingly associated with the pathogenesis of sleep disorders and many civilization diseases, especially diseases of metabolic system. Aims and objectives: The aims of the thesis were: 1/ To determine chronotype and social jet-lag and observe further links between sex, age, BMI and other parameters in a selected sample of the Czech population across socio-demographic categories. 2/ To find out whether chronotype and the SJL play a role in the treatment of obesity. 3/ To revise the commonly used methods for chronotype assessment (questionnaires and actigraphy) for their future use in the Czech environment. Material and methods: The thesis consists of three follow-up studies (questionnaire, actigraphic and combined). Both subjective and objective methods of chronotype and SJL assessment were used in the thesis. 1) The first study was a...

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