The gigs start at 7am and roll on into the night with an aftershow party at a 'secret location' from 3am the following morning. Whatever you take to keep you awake this long is up to you.
Just think of the poor wee lambs going on first. If you've got the stamina, you could be there too to watch them, so head on over to the Carling site to win tickets.
The line up is as follows:
0700: The Von Bondies + Kasabian @ Barfly, Camden
1100: Franz Ferdinand + Fiery Furnaces @ Carling Academy, Islington
1400: Starsailor @ Bush Hall, Shepherds Bush
1800: Feeder + Kid Symphony @ Carling Apollo, Hammersmith (tickets £10 + booking fee)
2130: Scissor Sisters + Lamb @ Carling Academy, Brixton (tickets £10 + booking fee)
0300: Aftershow party @ secret location (apply for passes on the site linked above)