Does anyone else feel better as Vyvanse wears off?

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I’m on 50mg Vyvanse (and 150mg Venlafaxine) and took it around 9:15am yesterday. It’s now 2:20am and I’m in bed, but I feel really calm while also feeling like I want to jump up and do things. Weirdly, this is probably the most productive I’ve felt all day - I’ve written a detailed to-do list and suddenly feel motivated and clear-headed.

During the day I’ve been feeling quite anxious and like I’m going in loops and getting nowhere, which is something I’ve noticed since increasing to 50mg. I’m planning to talk to my doctor about it next week.

I’ve noticed that the first few hours after taking it can feel quite jittery/overactivated, whereas later I seem to feel much more mellow and focused.

Has anyone else experienced feeling better/more focused as Vyvanse wears off? I’m wondering if it’s the medication, or if I just function really well with the quiet/dark and lack of demands at night.