That's normal. It happens on all versions of that game
That's normal. I dont think its a bug
That will sometimes happen so it's probably some little lag
Do you mean to break the bed actually and pick it up? If thats your worry I dont think beds have an assigned tool to break with. It can be any tool.
I think you got your skin sleeves/ pants/ etc turned off. Maybe check the settings and see what it does and if you need to change some
Look in your settings and see if you have volume turned on in the actual minecraft.
You have to have a saddle so you won't fall off the horse. If you are not using a saddle in other words.