Sport performance is a complex mixture of biomechanical function, emotional factors, and training techniques.

Performance in an athletic context has a popular connotation of representing the pursuit of excellence, where an athlete measures his or her performance as a progression toward excellence or achievement.

Sleep disorders (or sleep-wake disorders) involve problems with the quality, timing, and amount of sleep, which result in daytime distress and impairment in functioning.

Sleep-wake disorders often occur along with medical conditions or other mental health conditions, such as depression, anxiety, or cognitive disorders.

Sex addiction refers to excessive sexual thoughts, desires, urges or behaviors that can't be controlled and cause distress and harm to your relationships, finances and other aspects of your life.

Sexual addiction is also called hypersexuality, compulsive sexual behavior and other names.

It's a process that decreases the stress effects on your mind and body. Relaxation techniques can help you cope with everyday stress. And these techniques can help with long-term stress or stress related to various health problems, such as heart disease and pain.