I broke my tib and fib from a bone cyst been in a cast for 8 weeks they gave me a walking boot doisleepwithit?

i broke my tib and fib from a bone cyst been in a cast for 8 weeks they gave me a walking boot to walk with i can put any amount of pressure on it but do i have to sleep with it it brooke near my ankle like just above it help need anwsers quick