An obvious characteristic of computer games is stress, competition, and physiological alterations in the body. It is regarded as an important subject including those factors in e-sports, getting progressively popular in the digital era. The psychological and physiological impacts of e-sports, conducted in a competitive ambiance, on the body and mind over the course of competitions are not yet known. The aim of the paper is determining the impacts of players performing in e-sports games on some biochemical and hormonal factors shaped in the body during the game.  In the group of research, there are twenty electronic sports volunteer players playing in e-sports games. Samples are gathered from the players in the study thirty minutes before and after electronic sports games.  Given the results,  it is concluded that e-sports players' ACTH, cortisol, and testosterone levels rose substantially.

Background: It is suggested that there is a relationship between e-sports games on stress hormones and biochemical parameters of athletes. Aim: The most distinguishing feature of digital games is competition, stress, and physiological changes in the organism. It is a significant event that includes these features in e-sports, which is becoming increasingly popular in the digital world. The physiological and psychological effects of e-sports, which are performed in a competitive environment, on the organism during competitions are unknown. The purpose of this study was to determine the effects of players competing in e-sports competitions on some hormonal and biochemical parameters formed in the organism during the tournaments. Methods: In the research group, there were 20 volunteer male e-sports players competing in e-sports competitions. Samples were taken from the players in the research 30 minutes before and after an e-sports match. In the samples taken; Cortisol, ACTH, testosterone, glucose, insulin, urea, creatinine, bilirubin direct and total bilirubin levels were determined. Results: As a result of the study, it was revealed that e-sports players' cortisol, ACTH, and testosterone levels increased significantly. It was determined that there was a statistical difference in the stress hormones pre-post test values of the research group (p<0.05). While it was determined that there was a significant difference in the pre-post test values of the participants' glucose, insulin, urea, creatinine and bilirubin total levels (p<0.05), there was no statistically significant difference in the direct level of bilirubin (p>0.05). Conclusion: As a consequence, stress, anxiety, and physiological effects experienced during e-sports competition have been shown to significantly affect stress hormones and some biochemical parameters. In light of these observations, we believe that it would be beneficial to consider these parameters in order to enhance the performance of e-sports players. Keywords: E-Sports, Stress, Hormone, Biochemistry.

Background: It is suggested that there is a relationship between a 30-minute napping opportunity after a night of partial sleep denied on cognitive and short-term high-intensity performance and mood states. Aim: The purpose of this study was to look at the effects of a 30-minute nap on cognitive and short-term high-intensity performance, as well as mood states, following a night of partial sleep deprivation. Methods: On a voluntary basis, 15 elite male athletes took part in the study. The study was carried out as a quantitative study using an experimental design with pre-test and post-test groups. After four weeks of training on five days a week, the athletes were given a 30-minute nap (laying down) between 13:00 and 15:00. The Pittsburgh sleep quality index, vertical jump test, and pulmonary function test were administered to the athletes who napped at 17:00. The Shapiro-Wilk Normality Test was used to determine the data's normality distribution. In accordance with the experimental model and research design, the differences between measurement results were determined using the paired samples t-test (paired samples t-test). The threshold for significance was set at p0.05. Results: Maximum anaerobic power (W), average anaerobic power (W), minimum anaerobic power (W), vertical jump (cm), FVC(L), FEV1(L), FEV1/FVC (%) and FEF25 of the athletes participating in the research. A significant difference was determined between -75(L/s) pre-test values and post-test values (p<0.05). Athletes' anaerobic power (W), average anaerobic power (W), minimum anaerobic power (W), vertical jump (cm), FVC(L), FEV1(L), and FEF25-75 (L/s) post-test The athletes' FEV1/FVC (percent) post-test values were higher than the pre-test values and lower than the pre-test values (p0.05). Conclusion: As a result, short nap sessions have anaerobic power. It has been demonstrated that it improves respiratory functions and vertical jump parameters. Keywords: Cognitive level, napping, mood, high-intensity performance.