Martial Arts: My Martial Arts Power Increases When I Sleep

This is a time-travel novel that takes you into a strange world of martial arts from a first-person perspective. The protagonist is a security guard in the real world. He accidentally travels to the New World, where strength is respected and the weak eat the strong. The protagonist has his own training system and can increase his power by sleeping. The protagonist improves his martial arts through his own efforts and the guidance of experts. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.