Huh? Why? 
MangaDex Forums
athayanezant
Mangamoz
@athayanezant Sleeping on your left is bad if you have a heart condition.
athayanezant
Oh... I didn't know about that. I'm sorry senpai.
I was once ever experienced that I can't sleep on my left but that was because I've got piercing on my left ear. It was a real pain for a week
I was once ever experienced that I can't sleep on my left but that was because I've got piercing on my left ear. It was a real pain for a week
gimme_yuri_plz
Why would @Alexadrillo know? Haha