Narcolepsy, shift work sleep disorder, and sleep apnea are among the sleep disorders that are commonly treated with Modalert 200 mg. Some people may abuse it to remain awake or enhance cognitive performance, even though it is not meant for usage by healthy people. Modalert adverse effects, such as headaches, lightheadedness, or anxiety, might make it dangerous to take without a prescription or medical supervision. Before using Modalert, it's crucial to speak with your doctor to be sure it's safe and suitable for your situation. Self-medication or misuse might result in unintended health concerns.