Want to treat ADHD, Ritalin is used to treat attention deficit hyperactivity disorder (ADHD) in children and adults. It helps people who have ADHD pay attention to tasks. Ritalin may also help people be less impulsive and hyperactive. It can help increase your ability to pay attention, stay focused on an activity, and control behavior problems. It also helps you to organize your tasks and improve listening skills, It also helps in treating sleep disorders.