Lucy says she will be staying up for every game Scotland play, meaning her classes might have a bleary-eyed teacher on Thursday 25 June – the day after Scotland play Brazil in their final Group C match, with a 23:00 kick off.
Many pupils might have the same issues too.
Andy Munro lives in Dunlop, Ayrshire, and has three children – Harry, 14, Keir, 12 and Adam, 10.
All three boys are football fans who worship John McGinn, and none have seen the men’s team take part in a World Cup.
“The timing of the Haiti game is causing some challenges, ” he laughs.
“I think we will go to bed about eight, and then wake up around half one to watch the game – and then the boys are all playing football on Sunday morning too. So we will see how it goes.
“It’s all they’re talking about.”