For a sloth, there is no doubt, not even need to ask again. What sloths like the most in life’s sleeping. When they are not sleeping they are taking a nap or eating something or moving slowly.
For a lazy sloth, there are no many options. It is humid, hot, it feels heavy, everything invites them to sleep again and again. Enjoy your lazy summer nice sloth!
Recent serious studies have even demonstrated that sloths dream of sleeping when they are... sleeping!
(Or a similar design)