Modafinil is also used to promote wakefulness and treat sleep disorders such as narcolepsy, obstructive sleep apnea, and shift work sleep disorder. It contains the R-enantiomer of modafinil, which is considered to be the more active form. **[Modalert 200](https://www.medzsafe.com/product/modalert-200-australia/)** refers to a specific dosage strength of 200 mg, which is the usual standard dosage for this smart pill.

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