Better still,get one of those tire air valve removers and take out all the valves,take a cig lighter, burn the small plastic/rubber air seal. and put them back into the valves, but make sure you let the air out slow at first,,as the load WHOOOOOOSH could wake up...
A good time is about 345am in the morning,and if they have dogs, go to your Doctor and ask for some 5mg Valium,and put 4 into some lover Liver and toss over fence...