I've luckily had good sleepers for the most part so I've only had a couple kids over the last few years that I've needed to go get. My last handful was VERY loud when he woke (if he even slept!) so getting him up early wasn't uncommon. I tried for months to get him to sleep but he just wouldn't

(Until the last few days when I realized he would sleep with a small heater on in the room!!! Lol)