Waklert 150 mg, also known as Armodafinil, is a medication commonly used in the treatment of excessive sleepiness. It belongs to a class of drugs known as wakefulness-promoting agents. Armodafinil works by affecting certain chemicals in the brain that are responsible for regulating wakefulness and sleep. It is primarily prescribed for individuals with conditions such as narcolepsy, obstructive sleep apnea, and shift work sleep disorder.