pretty well from birth they would wake up when it suited me, go to bed at their scheduled bed time, brush their own teeth, clean up after themselves and respect my personal space. they have a huge selection, so you can mix and match and try new things or stick to old favorites. now often times, one thinks they cannot re-wear the same pieces over and over again. these sheets have elastic edges that make use of to fit over the mattress which is likewise called as fitted sheet. anything less than this will not allow for satisfactory progress. 