Artvigil 150mg is a drug that helps people with narcolepsy, obstructive sleep apnea (OSA), shift work sleep disorder, or other sleep disorders feel less sleepy. It comes in pill form and is taken orally once a day in the morning. Depending on the condition being treated, amounts range from 150 mg to 250 mg. For OSA and narcolepsy, the suggested amount is between 150 mg and 250 mg. But OSA patients have had no problems with doses up to 250 mg, and there is no clear proof that doses higher than 150 mg are more helpful. It is important to remember that armodafinil does not treat the underlying obstruction that causes OSA. If continuous positive airway pressure (CPAP) is the treatment of choice for excessive sleepiness, CPAP should be used for as long as possible before starting this drug. 

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