EXOMIND (BTL-699-2) for the Improvement of Sleep Quality and Reduction of Stress

The goal of this clinical trial is to evaluate whether the treatment with BTL-699-2 device is able to improve sleep quality and reduce stress in adults above the age of 22 years. The main questions it aims to answer are: Does the treatment with BTL-699-2 device improve sleep quality? Does the treatment with BTL-699-2 device reduce stress? Participants will be asked to: * Undergo six treatments * Complete the Pittsburgh Sleep Quality Index * Complete the Perceived Stress Scale Questionnaire * Complete the Sleep and Stress Assessment Questionnaire * Complete the Therapy Comfort and Subject Satisfaction Questionnaire