If you're looking for a regular 9 to 5 job then DJing isn't going to be for you - there aren't that many pubs, bars and clubs who need your services during the day, and if you're not much of a night owl the unsociable hours of performing in a club won't be for you. With most bars closing around midnight at the earliest and many clubs staying open well past dawn, getting used to a reverse sleep pattern at the weekend is the first thing you have to do when becoming a DJ. Throw in a load of travelling time on top of that - and jet lag if you're playing abroad - and sooner or later the lack of sleep will catch up with you. Perhaps this goes some way to explaining why some DJs choose more illicit means to keep themselves perked up during a long set, although in the long run this only makes the inevitable comedown far, far worse.