I did the full 24 from home last year by expending as little energy as possible and watching the overnight stint from bed with my laptop and a cup of coffee.
I'll have to fill up on more coffee at the track then... plus I'll need to stay awake long enough after the race to get to the TGV and then to my hotel in Paris and remain awake enough to set the alarm to catch the plane home in the morning.
A strategy will need to be devised.