BarCamp is very much through the night event. Staying over is very much optional but it is a very friendly environment and you are very welcome.
We are not a hotel but if you want to bring a sleeping bag and/or camp bed then that is okay. If you want to stay up all night playing computer games then that is also cool.
Please note that you are welcome to leave any time, but access back in to the building will be limited after 10pm.