srd
SRD
Fatigued: A fatigued character can neither run nor charge and takes a –2 penalty to Strength and Dexterity. Doing anything that would normally cause fatigue causes the fatigued character to become exhausted. After 8 hours of complete rest, fatigued characters are no longer fatigued.
Open Game Content from the System Reference Document 3.5, used under the Open Game License 1.0a.