People tend to check in during these times:
One of the best gym/rec facility around. Sauna, hot tub, pool, rock wall, two floors of weight with 20+ foot ceilings, basketball, track, etc...
Don't bother bringing your own lock, you have to pay to rent one from them, or use the free cubbies on the workout floor.
This building should invest in a better UNOSecure internet connection. It's hard to follow in class and keep up with slides with no internet connection.
Get a locker. You get your money back at the end of the semester, and once you come you won't want to stop!
To crowded upstairs for you? Try going to the main floor weight room, more machines, more equipment, more space for everyone!
Watch out for the tools they don't like it when people use there machines.
Recently renovated (2010) UNO's HPER building is the perfect place to work out or play a pickup game. Check out the Mav-Rec Cafe in the main atrium!