Dunno, just can’t get my brain to switch off. I’ll get close to the sleep state but then just can’t put the final light out to actually fall asleep. Not much of an issue when not on Vyvanse. Generally tapers as I continue taking Vyvanse through the days, i.e. by day 3/4 of continuously taking it sleep comes back to normal and I don’t have any issues at all.
I hear what you mean by the severe energy crash though, and the irritability and or craving for things I probably shouldn’t be indulging in like booze or weed.
Jokes on me, my humour isn’t funny; just annoying. 💀