diff --git a/code/modules/mob/living/living.dm b/code/modules/mob/living/living.dm
index 3cb39ea3f8..cbb6d7fac3 100644
--- a/code/modules/mob/living/living.dm
+++ b/code/modules/mob/living/living.dm
@@ -1334,6 +1334,11 @@
 /mob/living/verb/mob_sleep()
 	set name = "Sleep"
 	set category = "IC"
+
+	if(istype(src, /mob/living/simple_mob))
+		to_chat(src, SPAN_NOTICE("Sleeping is currently disabled on simple mobs due to a bug."))
+		return
+
 	if(!toggled_sleeping && alert(src, "Are you sure you wish to go to sleep? You will snooze until you use the Sleep verb again.", "Sleepy Time", "No", "Yes") == "No")
 		return
 	toggled_sleeping = !toggled_sleeping