I'm surprised how many of DDs' friends text really late at night or put stuff on facebook at 11, 12pm even later, and this is on school nights, I'm not fussed about weekends.
My DDs say that all their friends don't have a controlling mother like me who makes them leave their electronic stuff downstairs at night. But they're 12, not 16, they're growing madly, and need their sleep.
It's not just me is it?