Reduced heart rate variability during sleep in long-duration spaceflight

Limited data are available to describe the regulation of heart rate (HR) during sleep in spaceflight. Sleep provides a stable supine baseline during preflight Earth recordings for comparison of heart rate variability (HRV) over a wide range of frequencies using both linear, complexity, and fractal i...

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Veröffentlicht in:	American journal of physiology. Regulatory, integrative and comparative physiology integrative and comparative physiology, 2013-07, Vol.305 (2), p.R164-R170
Hauptverfasser:	Xu, D, Shoemaker, J K, Blaber, A P, Arbeille, P, Fraser, K, Hughson, R L
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Astronauts Blood Pressure - physiology Electrocardiography Female Heart rate Heart Rate - physiology Humans Male Middle Aged Sleep Sleep - physiology Space exploration Space Flight Weightlessness
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