For travellers on a tight budget getting to the airport early can can save a nights accomodation…. a night that u will likely have a restless sleep because u r worries about not getting up at 04:00 to get to the airport on time.
This is a web page that is supposed to solve this.
https://www.sleepinginairports.net/
Gives the low down on what’s ur options.
Credit to Marty at hotukdeals.com
If you need to leave that early, why try to sleep? You could stay at home and party, knowing that you can sleep it off on the long flight in the morning.