12 hours? what is that every 4-5 hours

so disappointed in Pampers before this pack I never had leaks or a baby waking up in the middle of the night because his pyjamas is wet. I find my self waking up two times at night just to dry my son because the pampers leaks through. not sure if this is a factory problem but I'm not the only one who is complain about the leaks in pampers. yet Pampers is a leading brand