Buy Ritalin online drug is an analeptic intended to treat narcolepsy-related insomnia, which results in sporadic episodes of sleepiness. The Food and Drug Administration has approved it for the treatment of sleep disorders associated with working erratic shifts. During the first two weeks of use, allergies may occur in certain individuals. Furthermore, because Ritalin is regarded as a somewhat safe stimulant, it is frequently taken for non-medical purposes.