I'll put him on why are certain drugs only obtainable on a doctor's prescription This is quite useful actually as it isn't limited to those with chaotic lives. I know plenty of middle class parents that take a laid back approach to bed time. Personally my young son has always thrived off a regular early bedtime and the occasional late night means we all pay for it the next day! 3 year olds tend not to lie in and catch up on sleep!