CleverRaven/Cataclysm-DDA — pull request #5542 by KA101 (2014-01-14 01:01:28+00:00)
Title: Less-sleep mutations

Gives a chance every half-hour not to take fatigue. You can start with one_in 6, Alpha can get 1/4 post-Threshold, and Elf-a can get 1 in 2. (That works out to over 24 hours to hit Tired.)