Feeling active and vital, alert, wide awake +1 Functioning at a high level but not at a peak, able to concentrate+2 Relaxed, awake, not at full alertness, responsive+3 A little foggy, not at a peak, let down+4 Foggy, beginning to lose interest in remaining awake, slowed down+5 Sleepy, prefer to be laying down, fighting sleep, woozy+6 Almost in reverie, sleep onset soon, lost struggle to remain awake+7