As long as you do not dose too late in the day, it won't keep you up all night. Use some oxy at the beginning and towards the end (8 hours into it) to soften the comedown if any. Devote 12 hours to vyvanse.
Stimulants are going to naturally put you on some kind of edge. D-amp is rather smooth in this case. Vyvanse turns into D-amphetamine. Just don't dose too high. There are other threads about vyvanse. Use the search engine for more answers.