srd
SRD
Exhausted: An exhausted character moves at half speed and takes a –6 penalty to Strength and Dexterity. After 1 hour of complete rest, an exhausted character becomes fatigued. A fatigued character becomes exhausted by doing something else that would normally cause fatigue.
Open Game Content from the System Reference Document 3.5, used under the Open Game License 1.0a.