When their swimming upside down its usually a sign that their dying
The earth can not be upside down.
No, they sleep upside down and have terrible eyesight but do not fly upside down.
They do not see upside down when they walk upside down because their eyes are made to not be like that. XD
They sleep upside down because they sleep in caves. When a predator enters the cave, they all fly around like maniacs to try and scare of the predator and it is harder to reach the bats when they are upside down.
Gymnastics is kind of an upside down sport because the handstand you do it upside down and that's the only sport you do upside down flips and etc...
Answer it
It is not upside down. It is on its side.
No they do not sleep upside down.
Upside Down was created in 1979.
Dude are you serious? And probably not
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