Sleepers notify the occupant when they get placed inside (much like getting put into Cryo works.) You're welcome, Lasty.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@3025 316c924e-a436-60f5-8080-3fe189b3f50e

code/game/machinery/Sleeper.dm

@@ -197,6 +197,8 @@
 			if(orient == "RIGHT")
 				icon_state = "sleeper_1-r"
 
+			M << "\blue <b>You feel cool air surround you. You go numb as your senses turn inward.</b>"
+
 			for(var/obj/O in src)
 				O.loc = src.loc
 			src.add_fingerprint(user)