diff --git a/code/modules/atmospherics/machinery/components/unary_devices/cryo.dm b/code/modules/atmospherics/machinery/components/unary_devices/cryo.dm
index d203856074..4f26a2f772 100644
--- a/code/modules/atmospherics/machinery/components/unary_devices/cryo.dm
+++ b/code/modules/atmospherics/machinery/components/unary_devices/cryo.dm
@@ -16,8 +16,8 @@
 	var/volume = 100
 
 	var/efficiency = 1
-	var/sleep_factor = 0.00125
-	var/unconscious_factor = 0.001
+	var/base_knockout = 30 SECONDS
+	var/knockout_factor = 1
 	var/heat_capacity = 20000
 	var/conduction_coefficient = 0.3
 
@@ -54,10 +54,9 @@
 	var/C
 	for(var/obj/item/stock_parts/matter_bin/M in component_parts)
 		C += M.rating
-
+	// 2 bins total, so C ranges from 2 to 8.
 	efficiency = initial(efficiency) * C
-	sleep_factor = initial(sleep_factor) * C
-	unconscious_factor = initial(unconscious_factor) * C
+	knockout_factor = initial(knockout_factor) / max(1, (C * 0.33))
 	heat_capacity = initial(heat_capacity) / C
 	conduction_coefficient = initial(conduction_coefficient) * C
 
@@ -189,8 +188,10 @@
 
 	if(air1.gases.len)
 		if(mob_occupant.bodytemperature < T0C) // Sleepytime. Why? More cryo magic.
-			mob_occupant.Sleeping((mob_occupant.bodytemperature * sleep_factor) * 2000)
-			mob_occupant.Unconscious((mob_occupant.bodytemperature * unconscious_factor) * 2000)
+			// temperature factor goes from 1 to about 2.5
+			var/amount = max(1, (4 * log(T0C - mob_occupant.bodytemperature)) - 20) * knockout_factor * base_knockout
+			mob_occupant.Sleeping(amount)
+			mob_occupant.Unconscious(amount)
 		if(beaker)
 			if(reagent_transfer == 0) // Magically transfer reagents. Because cryo magic.
 				beaker.reagents.trans_to(occupant, 1, efficiency * 0.25) // Transfer reagents.