Generalizing sleeping updates and adding it to simple mobs.

code/modules/mob/living/carbon/human/life.dm

@@ -1104,8 +1104,7 @@
 				if (mind)
 					//Are they SSD? If so we'll keep them asleep but work off some of that sleep var in case of stoxin or similar.
 					if(client || sleeping > 3)
-						AdjustSleeping(-1)
-						throw_alert("asleep", /obj/screen/alert/asleep)
+						handle_sleeping()
 				if( prob(2) && health && client )
 					spawn(0)
 						emote("snore")

code/modules/mob/living/carbon/nymph/life.dm

@@ -66,7 +66,7 @@
 	if(sleeping)
 		adjustHalLoss(-3)
 		if(mind && mind.active && client)
-			AdjustSleeping(-1)
+			handle_sleeping()
 		SetBlinded(TRUE)
 		set_stat(UNCONSCIOUS)
 	else if(resting)

code/modules/mob/living/life.dm

@@ -41,10 +41,10 @@
 
 	//Check if we're on fire
 	handle_fire()
-	
+
 	if(client && !(client.prefs.ambience_freq == 0))	// Handle re-running ambience to mobs if they've remained in an area, AND have an active client assigned to them, and do not have repeating ambience disabled.
 		handle_ambience()
-	
+
 	//stuff in the stomach
 	handle_stomach()
 
@@ -122,6 +122,14 @@
 	handle_slurring()
 	handle_confused()
 
+/mob/living/proc/handle_sleeping()
+	if(sleeping)
+		AdjustSleeping(-1)
+		throw_alert("asleep", /obj/screen/alert/asleep)
+	else
+		clear_alert("asleep")
+	return sleeping
+
 /mob/living/proc/handle_stunned()
 	if(stunned)
 		AdjustStunned(-1)

code/modules/mob/living/silicon/robot/life.dm

@@ -78,7 +78,7 @@
 
 	if(src.sleeping)
 		Paralyse(3)
-		AdjustSleeping(-1)
+		handle_sleeping()
 
 	if(src.resting)
 		Weaken(5)

code/modules/mob/living/simple_mob/life.dm

@@ -6,6 +6,7 @@
 	if(stat >= DEAD)
 		return FALSE
 
+	handle_sleeping()
 	handle_stunned()
 	handle_weakened()
 	handle_paralysed()