diff --git a/code/modules/mob/living/carbon/alien/life.dm b/code/modules/mob/living/carbon/alien/life.dm
index 67488df9eb..68831c2446 100644
--- a/code/modules/mob/living/carbon/alien/life.dm
+++ b/code/modules/mob/living/carbon/alien/life.dm
@@ -79,7 +79,7 @@
 		if(sleeping)
 			adjustHalLoss(-3)
 			if (mind)
-				if((mind.active && client != null) || immune_to_ssd)
+				if(mind.active && client != null)
 					sleeping = max(sleeping-1, 0)
 			blinded = 1
 			stat = UNCONSCIOUS
diff --git a/code/modules/mob/living/carbon/carbon.dm b/code/modules/mob/living/carbon/carbon.dm
index ef5856026c..42de429752 100644
--- a/code/modules/mob/living/carbon/carbon.dm
+++ b/code/modules/mob/living/carbon/carbon.dm
@@ -200,8 +200,11 @@
 			if (istype(src,/mob/living/carbon/human) && src:w_uniform)
 				var/mob/living/carbon/human/H = src
 				H.w_uniform.add_fingerprint(M)
-
-			if(lying || src.sleeping)
+				
+			if(player_logged)
+				M.visible_message("<span class='notice'>[M] shakes [src] trying to wake [t_him] up!</span>", \
+				"<span class='notice'>You shake [src], but they do not respond... Maybe they have S.S.D?</span>")
+			else if(lying || src.sleeping)
 				src.sleeping = max(0,src.sleeping-5)
 				if(src.sleeping == 0)
 					src.resting = 0
diff --git a/code/modules/mob/living/carbon/human/life.dm b/code/modules/mob/living/carbon/human/life.dm
index 03dae189d9..cfdecbeda8 100644
--- a/code/modules/mob/living/carbon/human/life.dm
+++ b/code/modules/mob/living/carbon/human/life.dm
@@ -995,6 +995,10 @@
 	proc/handle_regular_status_updates()
 
 		if(status_flags & GODMODE)	return 0
+		
+		//SSD check, if a logged player is awake put them back to sleep!
+		if(player_logged && sleeping < 2)
+			sleeping = 2
 
 		if(stat == DEAD)	//DEAD. BROWN BREAD. SWIMMING WITH THE SPESS CARP
 			blinded = 1
@@ -1050,7 +1054,10 @@
 				handle_dreams()
 				adjustHalLoss(-3)
 				if (mind)
-					if((mind.active && client != null) || immune_to_ssd) //This also checks whether a client is connected, if not, sleep is not reduced.
+					//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(player_logged) 
+						sleeping = max(sleeping-1, 2)
+					else
 						sleeping = max(sleeping-1, 0)
 				blinded = 1
 				stat = UNCONSCIOUS
diff --git a/code/modules/mob/living/login.dm b/code/modules/mob/living/login.dm
index b43da76953..52f0630a39 100644
--- a/code/modules/mob/living/login.dm
+++ b/code/modules/mob/living/login.dm
@@ -4,6 +4,8 @@
 	//Mind updates
 	mind_initialize()	//updates the mind (or creates and initializes one if one doesn't exist)
 	mind.active = 1		//indicates that the mind is currently synced with a client
+	//If they're SSD, remove it so they can wake back up.
+	player_logged = 0
 
 	//Round specific stuff like hud updates
 	if(ticker && ticker.mode)
diff --git a/code/modules/mob/living/logout.dm b/code/modules/mob/living/logout.dm
index 8fdcdb0ec4..1f2551b6b8 100644
--- a/code/modules/mob/living/logout.dm
+++ b/code/modules/mob/living/logout.dm
@@ -1,7 +1,8 @@
 /mob/living/Logout()
 	..()
 	if (mind)
-		if(!key)	//key and mind have become seperated.
+		if(!key)	//key and mind have become seperated. I believe this is for when a staff member aghosts.
 			mind.active = 0	//This is to stop say, a mind.transfer_to call on a corpse causing a ghost to re-enter its body.
-		if(!immune_to_ssd && sleeping < 2 && mind.active)
-			sleeping = 2	//This causes instant sleep, but does not prolong it. See life.dm for furthering SSD.
+		//This tags a player as SSD. See appropriate life.dm files for furthering SSD effects such as falling asleep.
+		if(mind.active)
+			player_logged = 1 
diff --git a/code/modules/mob/living/silicon/silicon.dm b/code/modules/mob/living/silicon/silicon.dm
index a22bcfd02d..c20e8e058b 100644
--- a/code/modules/mob/living/silicon/silicon.dm
+++ b/code/modules/mob/living/silicon/silicon.dm
@@ -11,7 +11,6 @@
 	var/ioncheck[1]
 	var/obj/item/device/radio/common_radio
 
-	immune_to_ssd = 1
 	var/list/hud_list[9]
 	var/list/speech_synthesizer_langs = list()	//which languages can be vocalized by the speech synthesizer
 
diff --git a/code/modules/mob/mob_defines.dm b/code/modules/mob/mob_defines.dm
index 15e0db47fc..296d58d078 100644
--- a/code/modules/mob/mob_defines.dm
+++ b/code/modules/mob/mob_defines.dm
@@ -214,8 +214,9 @@
 	var/universal_understand = 0 // Set to 1 to enable the mob to understand everyone, not necessarily speak
 
 	var/stance_damage = 0 //Whether this mob's ability to stand has been affected
-
-	var/immune_to_ssd = 0
+	
+	//SSD var, changed it up some so people can have special things happen for different mobs when SSD.
+	var/player_logged = 0
 
 	var/turf/listed_turf = null  	//the current turf being examined in the stat panel
 	var/list/shouldnt_see = list()	//list of objects that this mob shouldn't see in the stat panel. this silliness is needed because of AI alt+click and cult blood runes