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University of Michigan Sedation Scale
| Score | Definition |
|---|---|
| 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 |
