Hey Jake 
I’m sure I’ve seen the answer from someone at Monzon on this but I can’t find it 
Anyway, I’ve had friends who’ve waited over a month so waiting until next week definitely won’t be a problem 
PS - you might find these tips useful too -
https://community.monzo.com/t/so-youve-just-signed-up-to-monzo-what-next-tips-bulb-open-wiki/6613/1