Sleep medicine is a specialized field of medicine that focuses on the diagnosis and treatment of sleep disorders and disturbances. These disorders can include conditions such as insomnia, sleep apnea, narcolepsy, restless leg syndrome, and circadian rhythm disorders. Sleep medicine professionals work to improve patients' sleep quality and overall well-being through a variety of treatments, including medication management, behavioral therapy, and lifestyle changes. Sleep medicine research aims to better understand the underlying causes of sleep disorders and to develop more effective treatments and interventions.