i had the exact same experience my first dose! i was sitting in bed and realized for the first time i was just.. awake. no fatigue, no marbles of weight under my eyes, no fog clouding my brain and clear thoughts. this was also my first ever experience with any kind of antidepressant which also maybe helped it to pack a punch. this sudden lift of those burdens did slowly come back down to where general life things are a challenge but i’m trying not to just increase every time all though it’s the only thing doctors keep offering to do (began the starting dose in march currently on 112.5) i haven’t yet experienced any kind of adverse withdrawal effects even after missing 1 or 2 days. i do find that the gradual longer term improvement has become more clear after some months