For reference only

Since it's said to be suitable for relaxation, I probably won't have to put in too much effort... If even resting requires thinking, that's just too tiring... I'm a little curious, but just the thought of downloading it makes me feel drained...

Basically, you don't need to use your brain, but it takes time to refresh supplies and martial arts manuals. Some items take a long time to refresh before you can get them.