There was no reason she should wake during June's & Neville's massacre.
It's not grabbing. It's putting you're arms under their knees and back and carrying.
I am a deep sleeper. So may not wake if someone carried me a few feet without exerting effort. It's never been tried on me.
This thread is about controlling 4/5 adults. It is clear Jeremy had the much easier task as he chose the perfect time for an execution. There is already a thread about whether Sheila was carried to the main bedroom.