Buy Modalert 200, which contains modafinil, is a medication that is frequently used to treat excessive daytime sleepiness from conditions like narcolepsy or sleep apnea. It works by encouraging wakefulness, focus, and alertness, which may help you stay awake during long study sessions. While some people may use Modalert 200 to improve concentration or prevent fatigue during studying, it's important to note that using any medication off-label without a prescription can have risks. modafinil can cause side effects like headaches, dizziness, or anxiety, and its effects vary from person to person, so it's best to speak with a healthcare provider before using Waklert or any similar medication for studying to make sure it's right for you.