What is the max. dose per day day for Provigil?

What is the max. dose per day day for Provigil?

I presently take 400mg per day. I would like to know if I can increase to 600mg per day. I am also on a CPAP machine.

Interesting, i (started) have 200 mg a day, felt alittle sleepy and quiet, next day IO went to 400 mg, I was very sleepy & in a Zombie state (I could focus) – but defiantly not a stimulant for me? why?

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