Adds painful fatigue where, without any rest, you can be slowed and even die. 

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[Details]

Scoreboards

fatTotal - Your fatigue - dummy
fatJump - +50 fatigue - stat.jump
fatWalk - +1 fatigue per tick - stat.walkOneCm
fatSprint - +5 fatigue per tick - stat.sprintOneCm
fatSwim - +2 fatigue per tick - stat.swimOneCm
fatDeath - Sets fatigue to 0 - stat.deaths
fatSleep -  Subtracts 500 fatigue per tick - dummy

You lose 1 fatigue a tick when not moving.
Every 10,000 fatigue will add a new debuff.
Death occurs at 100,000 fatigue.