Modalert 200 (Modafinil) is used to treat excessive daytime drowsiness. It may assist those with sleep problems like narcolepsy or sleep apnea remain awake. Modafinil 200 pills stimulate and awaken the brain. You now have control over your sleeping habits. Modafinil 200 decreases the requirement for nighttime sleep, allowing the body to retain its normal sleep pattern. These medicines also change the amounts of certain natural substances in brain locations that control sleep and wakefulness. ...