Bet you can't wait for it to arrive.
I'm a side sleeper too. So far I've never had any problems I get it as far round the back as I can.
I love real hot showers, you just have to be a bit careful when washing, drying that area.
Lucky you, you won't have to worry about bra straps

do beware of those pesky door jams though.
Having said that
Just like
@Robin says , the most difficult bit of the whole process has been trying to prise the sensor off when it's finished, they really
don't want to let go.
Till I am reasonably sure how a new sensor behaves at various BG levels I bodge my finger, then 10-15 mins later swipe sensor.
You'll find the actual graph fascinating and really helpful.
The code to get into the professional bit is CAA1C, you need to tick yes in there.