For example, Pagan Romans were very comfortable with nudity in the home and they frequently partook in communal bathing. They also partook in sex for pleasure.
I think you might be well served by looking around the FAQ section of this subreddit.
/u/sunagainstgold Answer on attitudes towards homosexuality among the Norse
And here is a response by /u/cleopatra_philopater on sexuality in Ancient Greece and Egypt
What do you mean that other religions do not concern themselves with sexual conduct? Which religions do you have in mind? Theravada Buddhism has rather strict codes of conduct with regards to sexual behavior, for example, especially for a male who takes on the "ochre robes" (becomes a monk).
It would be helpful if you could clarify your question. What sexual attitudes are found in Abrahamic traditions that are lacking in others? Which others?