Of all the "weird" things we do as parents in euro/anglo nations, sleeping arrangements seems nowhere near the top. IMO, the top "offender" is over-scheduling kid's activities. So many kids in my area have their days booked solid with sports, academic tutoring, music lessons. Approaching zero free time to enjoy being a kid. Edit - and this isn't really a western thing, "Tiger Mom" and similar probably pre-dates this…
I volunteer with a U.S. Scout troop. I see boys that don't know whether or not they can go on an activity/campout because they have to ask their parents if they're free that day/weekend. I try to tell them their old enough (most are teenagers) that they should start deciding for themselves what activities they participate in. Most all of them just seem apathetic. I'm sure their parents are trying to do what is best f…
On a more general note, I can recommend Jared Diamond's 'The World Until Yesterday' - it covers similar topics to the bbc article and more.