Kickstarter update #23 for Stygian explains the rest system:
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Rest Activities or How I Learned Getting Ready for the Dark Times Ahead
Greetings fellow Cultists of the Dreaming Sheikh!
In this update, we'd like to share some detailed information about our Rest System. As you probably know, resting in Stygian is not a just a mere tool for refilling your depleted stats in the blink of an eye but a defined side system of preparation, risk assessment and research. We, the folk at Cultic Games tend to do all these before going to sleep, don't you too?
First things first! Let's have a look at our Rest Screen:
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