Sponge Baths In Space
While it may be an obvious fact, it is still important to state that you will not have the luxury of using a bathroom when you are in a space shuttle. You will have to settle with sponge baths in order to keep your hygiene levels up.
Your Snoring Might Fix Itself
A study that came out in 2001 observed that astronauts who snore on Earth, tend to sleep peacefully in space. This is because of the gravitational effects on apneas, hypopneas and snoring.