I have been taking provigil for 4 days now, and in the mornings, I've noticed fibrofog soon after waking up. Which, by the way, I never had before this medication. Is it coincidence or is it a normal reaction to provigil? Seriously, the benefits outway the side effects, if this is the case. Within an hour after taking the provigil in the morning it goes away, and my chronic fatigue is more bareable, too.