St tropez express tan on over night?

[namechange9374]

I left it on for 3 hours last time and when I washed it off it was still very light. Has anyone just left it on like a normal tan over night? I'm thinking it might take better but also a big worried how dark I will be when I wake up!

Yeah I use this sometimes and leave it on overnight. It stops developing after a certain time so you don’t come out total Oompa Loompa