that might be all

code/modules/mob/living/simple_animal/hostile/bosses/boss.dm

@@ -124,7 +124,6 @@
 	points = min(points+cost, max_points)
 
 /datum/boss_active_timed_battle/process()
-	SHOULD_NOT_SLEEP(FALSE) // it doesn't actually call anything that sleeps
 	if(world.time >= next_point_time && points < max_points)
 		next_point_time = world.time + point_regen_delay
 		points = min(max_points, points + point_regen_amount)
@@ -134,6 +133,10 @@
 	chance_to_hold_onto_points = highest_cost*0.5
 	if(points != max_points && prob(chance_to_hold_onto_points))
 		return //Let's save our points for a better ability (unless we're at max points, in which case we can't save anymore!)
+	do_ability()
+
+/datum/boss_active_timed_battle/proc/do_ability()
+	set waitfor = FALSE
 	if(!boss.client)
 		abilities = shuffle(abilities)
 	for(var/ab in abilities)