Introduction
Wakefulness or being is a state of full alertness and consciousness of a human being or animal.
Physiology
Wakefulness is part of the sleep-wakefulness cycle that keeps a person neurologically sound. This is described as the circadian rhythm
Pathology
Alteration of the circadian rhythm leads to insomnia or narcolepsy as the case might be which means lack of sleep or excessive sleep.
Pharmacology
In cases of clumsiness from sleep,CNS stimulants like caffeine containing drinks are used to keep alert. When one is over alert , the use of sedatives like diazepam are used to induce sleep
Conclusion
Full wakefulness follows adequate sleep and should be encouraged.