Generally when it come to personal hygiene these don't come into account. Personal hygiene is about keeping yourself clean. There is such a thing as sleep hygiene and it is about keeping the area you sleep in decluttered and clean so that you can sleep better. And there needs to be a certain amount of hygiene when it come to food. Work surfaces need to be clean and cooking implements too. Also the meat should not get contaminated and your plates and cutlery should be clean and this is all to keep from getting food poisoning.
soap
Yes, in Islam, it is recommended for both men and women to groom and maintain their pubic hair for cleanliness and hygiene purposes. This practice is known as "fitrah" and is considered a part of personal hygiene in Islamic teachings.
Covering your mouth while coughing.
medical part
it depends on your hygiene specifics. If you mean is there a law requiring it, then no, there isn't. However, it is a routine part of some hygiene specifics.
eating a root
Part of competition is staying healthy. So sports people need personal hygiene to stay at their best.
The phrase "sleeping" is not typically used to describe a specific part of the Earth. If you are referring to the time when a specific location is at night (when it is dark and people are usually sleeping), that would vary based on the time zone and rotation of the Earth.
You are eating the lobsters tail when you eat the lobsters tail.
You'd need all of your natural processes to survive. Everything in your body serves a specific purpose (save the appendix, which is arguable) and each part has a process - breathing, eating, digesting, sleeping, etc...
In the most general terms, the part of the word that is roughly beneath you.
In Islam, it is considered haram (forbidden) for both men and women to leave their pubic hair untrimmed. It is recommended to keep the pubic hair clean and groomed as part of personal hygiene practices.