Such men and women experience difficulty in receiving a calm break in the nighttime. Modalert, a favorite make of Modafinil UK, modulates the sleep-wake rhythm in people afflicted by shift work sleep disorder. This wise medicine enhances focus, mental alertness, decision-making and memory ability of these users. It’s also helpful in treating narcolepsy, shift work sleep disease and obstructive sleep apnea. Buy Modalert 200 mg pills must be utilized following a prescription by a doctor.