Time sinks can also be used for other gameplay reasons, such as to help regenerate resources or monsters in the game world.
Many players consider time sinks to be an inherently poor design decision, only included so that game companies can increase profits.
Game designers must be prudent in balancing efforts to produce both involving gameplay and the length of content that players expect.
Implementing time sinks in a video game is a delicate balancing act.
It might be "realistic", but keep in mind that you are trying to entertain people here and useless timesinks tend to do the opposite of entertain.A time sink is an enjoyable but time-wasting activity.