Table 1: University of Michigan Sedation Scale (UMSS) [⁸].

Score	Patient state
0	Awake/alert
1	Minimally sedated: Tired/sleepy, appropriate response to verbal conversation and/or sounds
2	Moderately sedated: Somnolent/sleeping, easily aroused with light tactile stimulation
3	Deeply sedated: Deep sleep, arousable only with significant physical stimulation
4	Unarousable