Here's a fun glitch. If you break the bed your sleeping in (before it reaches day) you will now get hurt by anything 2 blocks or higher.Wolves, silverfish or some slime/magma cube sizes (cause they're not 2 blocks high) wont hurt you. Not sure if 2 blocks of water will hurt you. Better test it out! Nope, it doesn't
You will start a suffocate in 2 blocks. (Air does not count :P Air is considered a block though) Endermen will definitely hurt you. LOL

Please DIAMOND this and COMMENT on it too!