diff --git a/code/game/machinery/Sleeper.dm b/code/game/machinery/Sleeper.dm
index 561a72edb3..b259fe1ded 100644
--- a/code/game/machinery/Sleeper.dm
+++ b/code/game/machinery/Sleeper.dm
@@ -15,6 +15,11 @@
 	..()
 	findsleeper()
 
+/obj/machinery/sleep_console/Destroy()
+	if(sleeper)
+		sleeper.console = null
+	return ..()
+
 /obj/machinery/sleep_console/proc/findsleeper()
 	spawn(5)
 		var/obj/machinery/sleeper/sleepernew = null
@@ -34,16 +39,18 @@
 	if(..())
 		return 1
 
+	if(!sleeper)
+		findsleeper()
+		if(!sleeper)
+			to_chat(user, "<span class='notice'>Sleeper not found!</span>")
+			return
+
 	if(sleeper.panel_open)
 		to_chat(user, "<span class='notice'>Close the maintenance panel first.</span>")
 		return
 
-	if(!sleeper)
-		findsleeper()
 	if(sleeper)
 		return ui_interact(user)
-	else
-		to_chat(user, "<span class='warning'>Sleeper not found!</span>")
 
 /obj/machinery/sleep_console/attackby(var/obj/item/I, var/mob/user)
 	if(computer_deconstruction_screwdriver(user, I))
@@ -155,7 +162,8 @@
 	anchored = 1
 	circuit = /obj/item/weapon/circuitboard/sleeper
 	var/mob/living/carbon/human/occupant = null
-	var/list/available_chemicals = list("inaprovaline" = "Inaprovaline", "paracetamol" = "Paracetamol", "anti_toxin" = "Dylovene", "dexalin" = "Dexalin")
+	var/list/available_chemicals = list()
+	var/list/base_chemicals = list("inaprovaline" = "Inaprovaline", "paracetamol" = "Paracetamol", "anti_toxin" = "Dylovene", "dexalin" = "Dexalin")
 	var/obj/item/weapon/reagent_containers/glass/beaker = null
 	var/filtering = 0
 	var/obj/machinery/sleep_console/console
@@ -180,13 +188,19 @@
 	component_parts += new /obj/item/weapon/reagent_containers/syringe(src)
 	component_parts += new /obj/item/stack/material/glass/reinforced(src, 2)
 
-	RefreshParts(0)
+	RefreshParts()
 
-/obj/machinery/sleeper/RefreshParts(var/limited = 1)
+/obj/machinery/sleeper/Destroy()
+	if(console)
+		console.sleeper = null
+	return ..()
+
+/obj/machinery/sleeper/RefreshParts(var/limited = 0)
 	var/man_rating = 0
 	var/cap_rating = 0
 
-	available_chemicals = initial(available_chemicals)
+	available_chemicals.Cut()
+	available_chemicals = base_chemicals.Copy()
 	idle_power_usage = initial(idle_power_usage)
 	active_power_usage = initial(active_power_usage)
 
@@ -204,14 +218,14 @@
 			if(istype(P, /obj/item/weapon/stock_parts/manipulator))
 				man_rating += P.rating - 1
 
-		var/new_chemicals = list()
+		var/list/new_chemicals = list()
 
 		if(man_rating >= 4) // Alien tech.
-			var/reag_ID = pickweight(
+			var/reag_ID = pickweight(list(
 				"healing_nanites" = 10,
 				"shredding_nanites" = 5,
 				"irradiated_nanites" = 5,
-				"neurophage_nanites" = 2
+				"neurophage_nanites" = 2)
 				)
 			new_chemicals[reag_ID] = "Nanite"
 		if(man_rating >= 3) // Anomalous tech.
@@ -221,7 +235,8 @@
 		if(man_rating >= 1) // Tier 2.
 			new_chemicals["leporazine"] = "Leporazine"
 
-		available_chemicals += new_chemicals
+		if(new_chemicals.len)
+			available_chemicals += new_chemicals
 		return
 
 /obj/machinery/sleeper/Initialize()
@@ -258,11 +273,8 @@
 		var/obj/item/weapon/grab/G = I
 		if(G.affecting)
 			go_in(G.affecting, user)
-	else if(default_deconstruction_screwdriver(user, I))
 		return
-	else if(default_deconstruction_crowbar(user, I))
-		return
-	else if(istype(I, /obj/item/weapon/reagent_containers/glass))
+	if(istype(I, /obj/item/weapon/reagent_containers/glass))
 		if(!beaker)
 			beaker = I
 			user.drop_item()
@@ -271,6 +283,13 @@
 		else
 			to_chat(user, "<span class='warning'>\The [src] has a beaker already.</span>")
 		return
+	if(!occupant)
+		if(default_deconstruction_screwdriver(user, I))
+			return
+		if(default_deconstruction_crowbar(user, I))
+			return
+		if(default_part_replacement(user, I))
+			return
 
 /obj/machinery/sleeper/verb/move_eject()
 	set name = "Eject occupant"
@@ -397,4 +416,4 @@
 
 /obj/machinery/sleeper/survival_pod/Initialize()
 	..()
-	RefreshParts()
+	RefreshParts(1)
diff --git a/code/game/machinery/adv_med.dm b/code/game/machinery/adv_med.dm
index c101202b38..1e3afe8150 100644
--- a/code/game/machinery/adv_med.dm
+++ b/code/game/machinery/adv_med.dm
@@ -24,6 +24,11 @@
 	component_parts += new /obj/item/stack/material/glass/reinforced(src, 2)
 	RefreshParts()
 
+/obj/machinery/bodyscanner/Destroy()
+	if(console)
+		console.scanner = null
+	return ..()
+
 /obj/machinery/bodyscanner/power_change()
 	..()
 	if(!(stat & (BROKEN|NOPOWER)))
@@ -32,11 +37,7 @@
 		set_light(0)
 
 /obj/machinery/bodyscanner/attackby(var/obj/item/G, user as mob)
-	if(default_deconstruction_screwdriver(user, G))
-		return
-	else if(default_deconstruction_crowbar(user, G))
-		return
-	else if(istype(G, /obj/item/weapon/grab))
+	if(istype(G, /obj/item/weapon/grab))
 		var/obj/item/weapon/grab/H = G
 		if(panel_open)
 			to_chat(user, "<span class='notice'>Close the maintenance panel first.</span>")
@@ -61,6 +62,11 @@
 		update_icon() //icon_state = "body_scanner_1" //VOREStation Edit - Health display for consoles with light and such.
 		add_fingerprint(user)
 		qdel(G)
+	if(!occupant)
+		if(default_deconstruction_screwdriver(user, G))
+			return
+		if(default_deconstruction_crowbar(user, G))
+			return
 
 /obj/machinery/bodyscanner/MouseDrop_T(mob/living/carbon/O, mob/user as mob)
 	if(!istype(O))
@@ -176,6 +182,11 @@
 	..()
 	findscanner()
 
+/obj/machinery/body_scanconsole/Destroy()
+	if(scanner)
+		scanner.console = null
+	return ..()
+
 /obj/machinery/body_scanconsole/attackby(var/obj/item/I, var/mob/user)
 	if(computer_deconstruction_screwdriver(user, I))
 		return
@@ -245,18 +256,18 @@
 	if(stat & (NOPOWER|BROKEN))
 		return
 
+	if(!scanner)
+		findscanner()
+		if(!scanner)
+			to_chat(user, "<span class='notice'>Scanner not found!</span>")
+			return
+
 	if (scanner.panel_open)
 		to_chat(user, "<span class='notice'>Close the maintenance panel first.</span>")
 		return
 
-	if(!scanner)
-		findscanner()
-		if(scanner)
-			return ui_interact(user)
-	else if(scanner)
+	if(scanner)
 		return ui_interact(user)
-	else
-		to_chat(user, "<span class='warning'>Scanner not found!</span>")
 
 /obj/machinery/body_scanconsole/ui_interact(mob/user, ui_key = "main", var/datum/nanoui/ui = null, var/force_open = 1)
 	var/data[0]