Effects of physical activity on acoustic somnological parameters of human body

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PhD, Associate Professor A.B. Petrov1
Dr. Biol., Professor A.N. Vyotosh1
PhD, Associate Professor G.M. Lavrukhina1
A.S. Kotova1
PhD (Medicine), Associate Professor E.G. Ionkina2
1Lesgaft National State University of Physical Education, Sport and Health, St. Petersburg
2I.M. Sechenov First MSMU MOH Russia (Sechenovskiy University)

Objective of the study was to test by experiment the application of the acoustic activity recording devices during sleep to assess the processes of recovery after physical loads.
The intensity and duration of physical loads were recorded based on the athletes’ notes in the diaries.
Two series of studies were conducted. In the first study series, 24 subjects were tested for 7 days against the background of their routine, daily physical activity under the academic training program.
In the second study series, 12 subjects were tested for 14 days to estimate their acoustic activity during sleep: the first 7 days - against the background of their routine, daily physical activity, the next 7 days - after a dosed physical load in the afternoon.
The processing of the recording of the individual acoustic activity during sleep made it possible to calculate the duration of night sleep, the duration of each cycle and its average value, the time to fall asleep, the depth of sleep, the total time of deep and shallow sleep, the quality of sleep.
Results and conclusion. The data obtained are consistent with the studies conducted by A.M. Vein’s group (1991) with the application of the method of polysomnographic recording during aerobic activity The applied hardware, not related to classic polysomnography, method of recording sleep parameters enables to obtain a wide range of data and study the effects of physical activity on the human body. This approach can probably be used in further detailed elaboration as a method of control and assessment of the effectiveness of the training process.

Keywords: somnogram, aerobic activity, acoustic activity of the human body during sleep.

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