Numeric (1-7). The selected rating corresponding to the patient's current state.
1: Feeling active, vital, alert, or wide awake
2: Functioning at high levels, but not at peak; able to concentrate
3: Awake, but relaxed; responsive but not fully alert
4: Somewhat foggy, let down
5: Foggy; losing interest in remaining awake; slowed down
6: Sleepy, woozy, fighting sleep; prefer to lie down
7: No longer fighting sleep, sleep onset soon; having dream-like thoughts