Yaoi

http://www.mangago.me/read-manga/oboreru_kemono_no_koibito/mrs/manga/oboreru-kemono-no-koibito/v-1/2/31/ sorry, only got one here, hope others got some so I can add more to my nonexistent list xD

Somnophilia is the name for that, there's a tag for it, but there are only 3 manga under it

This isn't quite that, but it's really similar and really good/hot
http://www.mangago.me/read-manga/nemuri_otoko_to_koi_otoko/
Seme has a sleep disorder where is is asleep but fucks the use and doesn't remember afterwards

http://www.mangago.me/read-manga/kimi_no_shiranai_xx/

When Uke is sleeping , Seme is having sex with Uke.

you probably already know this but http://www.mangago.me/read-manga/kimi_no_shiranai_xx/

Nice. I thought of Fujisaki Kou also. Semes in these mangas always seem to have sex with their sleeping ukes. Or having sex with ukes until they passed out.

X3-sai wa Yoku Nemuru – Summer Wars dj :3
Shouta warning! And quite a hardcore dj.
I accidentally read it somewhere before, and I was too shocked which makes me remembered the manga clearly ..haha ⁄(⁄ ⁄·⁄ω⁄·⁄ ⁄)⁄