To ring DS's sixth form and tell them the real reason he isn't going in?

[elevenpillows]

Hi I actually don't know the laws on this. If DS doesn't turn up at sixth form is it still seen as my fault? They request students call the absence line and not parents so I'm unsure. Just got up for a wee and DS saying he isn't going in today, he doesn't feel tired yet (he's been on bloody red bull) and he won't get through the day. I've told him to get his ass to sleep but he's saying there's no need as he would need to be up in an hour and a half and he isn't going. He's saying he's unwell.

Can I phone up and give the real reason or what? I don't want this to fall back on me. Also wtf do I do in this situation???

This may be a PA tactic, but if you can't get him out of bed, will you be around to do a bit of strategic hoovering around, even in, his bedroom all morning? (My auntie did this to a cousin trying it on; I think he eventually stormed off into school, albeit late, for a bit of peace!) Or are you off to work yourself?
I agree with other PP's; carrying on after all-nighters is something that comes to us all (up all night with sick child perhaps, years along the line).
If he insists, you can make it clear that you are not going to lie for him, and let him deal with the consequences.