Possibilities and Limitations on Using Sleep Cycle Smartphone Apps for Sleep Analysis in Sports Practice

Abstract Synchronous recording of somnological activity in healthy female subjects was performed using the polysomnography method and by recording the acoustic activity of a sleeping organism using the Sleep Cycle smartphone application. A comparison was made of 16 basic temporal and structural characteristics of sleep, obtained by the two above methods. A high degree of coincidence of total sleep duration, time spent in bed, and sleep efficiency, obtained by polysomnographic and acousticsomnographic methods, was established. It was found that the quality of sleep in percent, calculated according to the Sleep Cycle version, coincides with the values of sleep efficiency, determined according to polysomnography data, with a high degree.