Armodafinil is the active component in Waklert 150mg. It falls under the category of eugeroic drugs, which encourage alertness and wakefulness. Treatment for excessive daytime sleepiness and exhaustion brought on by narcolepsy, obstructive sleep apnea, and shift work difficulties sometimes involves the prescription. Off-label use for cognitive enhancement includes improving memory, focus, and attention span.

Because it inhibits the actions of specific neurotransmitters in the brain that control wakefulness and sleep, Armodafinil is an effective treatment for insomnia. It is comparable to the drug Modafinil in both structure and function, although it is thought to be stronger, have a longer half-life, and start working earlier.