Couple of practical questions for HPM:

1) Food - how substantial is the food provided at each CP? Will I be okay with with small snacky things (cereal bars, sausage rolls etc.) or should I pack something more filling, like sarnies?

2)Sleep - how do people work this on the day of the race? I was thinking of sleeping until gone lunchtime. Hoping to keep me as fresh as possible for the race. But then sometimes the longer I sleep in, the less I wake up...if you know what I mean.