An unexpected benefit you will discover is that a cleaning service forces you to clean up and straighten your messes the day before the service arrives.
— Time management for system administrators by Tom Limoncelli, Thomas Limoncelli (Page 141)
Can confirm. Although for us it's that we tidy up the day the service shows up, not the day before.
It's funny how having someone come clean your house a bit pushes you to clean up first :)
