Waklert 150 Tablet is used in the treatment of excessive daytime sleepiness (narcolepsy). It improves wakefulness and helps you to stay awake and reduces the tendency to fall asleep during the day, thus restoring the normal sleep cycle. Waklert 150 Tablet may be taken with or without food. It is advised to take this medicine at a fixed time each day to maintain a consistent level in the blood. If you miss any doses, take it as soon as you remember. Do not skip any doses and finish the full course of treatment even if you feel better. This medication mustn't be stopped suddenly as it may worsen your symptoms. Some common side effects of this medicine include headache, nausea, and insomnia (difficulty sleeping). It even causes dizziness and sleepiness, so do not drive or do anything that requires mental focus until you know how this medicine affects you. However, these side effects are temporary and usually resolve on their own in some time. Please consult your doctor if these do not subside or bother you.