Responses
I don't know any anime, but there is a webtoon that fits your description
http://www.mangago.zone/read-manga/tales_of_the_unusual/mf/c119/
I don't know any anime, but there is a webtoon that fits your description
http://www.mangago.zone/read-manga/tales_of_the_unusual/mf/c119/
Hello can someone help me find this anime. Im not sure if its an episode or the whole anime,but basically these people are asleep because they challenged this one eyed floating monster with a hidden mouth that eats the person if the mess up reading. They have to sleep with a book in order to be transported into the challenge. Then this one guy (i think the protagonist) was able to read a book the whole way through without messing up and freed (woke up) the people who were sleeping.