alertness Definition

vigilance, watchfulness, on the qui vive, attentiveness, preparedness, awareness, diligence, vigilant, liveliness, watchful, complacency, alarm, vigil, vibrancy, caution, monitoring, surveillance, attention, warning, lookout, scrutiny, guard, watchdog, wakefulness, sleepiness, drowsiness, calmness, excitability, psychomotor, irritability, arousal, tiredness, restlessness, cognition, restfulness, sociability, decisiveness, exertion, endurance, caffeine, hyperactivity, disorientation, willpower, dexterity, aggressiveness, carefulness, agility, perceptiveness, responsiveness, lucidity, smartness, acuteness, fatigue, reflexes, presence of mind, suggestibility, startle reflex, circadian rhythm, talkativeness, proprioception, temporary state, norepinephrine, sensorimotor, parasympathetic nervous system, intentiveness, sleep, diuresis, stamina, rem sleep, melatonin, fidgetiness, concentration, endorphins, impulsiveness, intensity, blood sugar, metabolism, dopamine, coordination, comprehension, cortisol, rhythmicity, inattentiveness, grogginess, activeness, serotonin, corticosterone, oscitancy, reactivity, respirations, thermogenesis, posture, satiation, beta endorphin, sleeplessness, physical exertion, neurotransmission, incoordination, nystagmus, basal metabolic rate,