Modalert 100 Australia is a medication used to promote wakefulness in individuals with sleep disorders such as narcolepsy, obstructive sleep apnea, or shift work sleep disorder. Its active ingredient, Modafinil, is a wakefulness-promoting agent that helps increase alertness and concentration by affecting certain neurotransmitters in the brain. Typically taken once a day, Modalert 100 can help improve daytime alertness and cognitive function. Common side effects may include headaches, nausea, and insomnia. It’s important to use Modalert 100 under medical supervision to ensure its suitability for your condition and to manage any potential side effects or interactions with other medications.