A good manhwa player often has smooth scrolling and loading, allowing you to flip through pages without any lag. It might also offer offline reading options and support multiple languages for a wider audience.
Surviving in chapter 3 of the manhwa as a player requires a combination of things. First, know your character's strengths and weaknesses. Second, use the environment to your advantage. And third, don't act rashly; think before making any big moves.
Perhaps the story explores how the player's sleepiness is either a hindrance or a hidden strength. Maybe it's tied to a curse or a supernatural phenomenon that affects their life and the plot of the manhwa.