A new study has shown that sleep deprivation can have the same effect on your abilities to function as being drunk.
Apparently the macho culture of working yourself to death in certain industries (naming no names) is a bad thing.
Read the post on futurenet's marketing and innovation blog here
As far as I can tell this means two things:
Being really really tired is a bad thing and means you do a crap job, and make very silly decisions.
If you have no money to go down the pub and actually get drunk, just stay up for 24 hours and let the fun begin.
By the way futurelab is a great blog. Read read read.