Saving Throw: Body
A character who is Fatigued suffers a -2 penalty to all skill checks and saving throws, including attack rolls. A character may have multiple level of the Fatigued condition; its effects are cumulative. For example, a character who has three levels of Fatigued suffers a -6 penalty to all skill checks and saving throws.
One hour of uninterrupted sleep will remove a level of Fatigued. A character who successfully makes a saving throw to shake off a level of Fatigue must spend a Recovery in order to lose the level of Fatigued.