Sleeping Ranker is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

#game fantasy #game system #satisfying #enjoyable #Sleepyhead “We’re only taking a break for about 30 seconds? I’m not imagining things, right?” “…Yes.” After 15 hours of hunting, Hyunsung asked to rest for a while, and after 30 seconds, he had to get up again and started hunting. Actually, Hyunsung has a special skill. [Thananos’ narcolepsy skill is activated.] [You’re being forced into a sleep state.] After sleeping for a while and waking up, I got an item? Pay close attention to the story of the God-Rank Class, the descendant of Thananos, the unstoppable Hyunsung.