Disappearing act!?!?

I’m 7w4d and it seems like my symptoms have pretty much disappeared??? I’m so worried! I’ve already had one miscarriage at 4 weeks in February. Please tell me this is normal!! I don’t want to lose this baby. They’ve lessen significantly over the last two days a f today I wake up feeling pretty decent which obviously completely fills me with concern and worry about my baby. And I slept through the night, which is also out of the norm since getting pregnant. I’m just so worried 😞. My first scan is Tuesday and it feels like a lifetime away