Background. The acne is a chronic inflammatory skin disease that affects all age groups of the population and has a serious impact on the quality of life of patients. Various endogenous and exogenous factors are involved in the pathogenesis of dermatosis. The increasing of usage of digital media and the Internet has an impact on people's sleep habits and, with changes in sleep quality, symptoms of depression, anxiety and stress may increase, which leads to a more severe course of chronic dermatoses, including acne. Aim. To evaluate the relationship between somnological disorders (SLD) and the frequency of smartphone use before bedtime in patients with mild to moderate acne (MMA). Materials and methods. A single-center observational prospective study was conducted from 2023 to 2024: 130 patients aged 18 to 30 years (average age 23.32±2.75 years) diagnosed with MMA were observed. The data on the severity of acne were assessed using the Global Acne Grading System (GAGS), the degree of sleep disturbance was determined using the Pittsburgh Sleep Quality Index (PSQI), and the quality of life of patients was determined according to the Dermatology Life Quality Index (DLQI). Taking into account indicators on the use of a smartphone with the iOS or Android operating system included calculating average screen time, assessing addiction and the fact of using a smartphone 1 hour before bedtime. The statistical processing was carried out using the Jamovi version 2.3.21 program. Results. The SLD were identified in 85 (65.38%) patients with MMA. The dermatosis had a strong impact on quality of life (DLQI20) in 82.31% (n=107). In group I of patients "poor sleeping" there was a direct correlation between SLD (PSQI) and the severity of dermatosis (ρ=0.533; p0.001) and the duration of screen time (ρ=0.628; p0.001) spent on a smartphone per day. The patients of group I had a greater dependence on a smartphone compared to group II of patients "well sleeping": 15.94±1.89 points versus 7.71±1.96 points (p0.001). Conclusion. It has been established that the level of SLD has a high incidence in the group of patients with MMA. There is a pronounced correlation between dyssomnia and the severity of dermatosis; in patients with disturbed sleep, a high dependence on the phone and a correlation with the duration of screen time spent on a smartphone per day were revealed. This study demonstrates the need to pay attention to the presence of disturbances in the quality of sleep in people suffering from skin diseases, in particular acne.
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