Buses go away regularly from the main terminal, or alternatively you'll be able to take a collectivo, which depart each hour from the cemetery.
Truthfully, we all needed to go to mattress, so it labored out for us.
One of the best parts about staying in Cusco, is that it's the gateway to a lot of amazing locations in Peru so if you’re gonna select a spot to base your self in, Cusco might be it.