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    The effect of sleep deprivation on heart rate variability in shift and non-shift physicians
    (Canadian Soc Clinical Investigation, 2015) Cebeci, Sevsen; Canbal, Metin; Yuksel, Ramazan; Cetin, Medine; Caliskan, Yasemin; Dane, Senol
    Purpose: Higher LF/HF ratio and lower heart rate variability have been reported among shift compared with non-shift workers. We aimed to investigate the possible harmful effects of sleep deprivation on cardiac rhythm, specifically heart rate variability (HRV), in work shift physicians. Patients and Methods: Eighty seven healthy male physicians participated in this study. The present study was done in Ankara, Turkey, from January to September 2014. Work shift (sleep deprivation) group (n=45) remained awake for 26 h. Non-work shift group slept in their homes. ECG (HRV) was applied at 9 am for both shift and non-shift groups. Results: Almost all HRV parameters, except LF/HF, decreased in the work shift group compared with the non-shift group. Conclusions: Sleep deprivation due to work shift may cause sympathovagal imbalances by affecting the biological rhythm.