Excessive daytime sleepiness is a commonly suffered sleep disorder associated with narcolepsy, sleep apnea, or shift work sleep disorder. In this condition, people fall asleep repeatedly throughout the day. Waklert is an FDA-approved wakefulness-promoting agent that helps to stay awake and active. Within 30 minutes of the onset of action, its action stays in the body for about 12 hours. It is advised to take Waklert in the morning to stay awake throughout the daytime. Moreover, it improves brain activities and cognitive functions.