Narcolepsy is a sleep disorder that causes excessive daytime sleepiness. The affected person may experience excessive drowsiness, sleep paralysis, hallucinations, and in some cases, episodes of cataplexy. Modalert 200mg Tablet stimulates the brain and keeps you fully awake and alert. It also relieves these abnormal symptoms and regulates the sleep cycle. This restores normal sleep patterns and improves your quality of life. You will feel more energetic and be able to perform better in your daily activities.