A member asked:

I've been taking vvyanse for 3 months & this month i have become tired after 4 hours. im still focused, but i need a nap in between. normal? causes?

A doctor has provided 1 answer

Are you having: Problem falling asleep? That is one side effect of any stimulants. Anyone can be fatigued and tired from lack of sleep! talk to your prescribing physician.

Answered 3/18/2013

5.2k views

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