And the food bars were offering a seasonal mince pie and coffee combo, which (correct me if I'm wrong) has never before happened in the history of half-time snackery at Stamford Bridge.
Once they're settled, but before they get tired, if older children have more than an hour of homework, encourage them to schedule a short break to stretch.
All of the cooking and cleanup in the middle of your day can be more stressful than relaxing so it's important that you try to overcome the tendency of fixing your meals during your break.
And if you're creating your study schedule well in advance, you should have no problem giving yourself time for these breaks while also leaving enough hours open for studying.