Waklert is an effective prescription medication that contains armodafinil as an active ingredient, and it is used to promote wakefulness in conditions like narcolepsy, sleep apnea, and shift work disorder. It enhances alertness by affecting brain neurotransmitters within 30 minutes of its intake. Common side effects include headache, nausea, and insomnia. It should be taken under medical supervision to avoid misuse or dependence.