The condition of being alert
Cynthia must have finally slept because the noise in the hall startled her to full wakefulness, her husband as well.
Even if you cannot take actual yoga classes, you can find free yoga exercises online that you can practice to relieve your wakefulness at night.
Maintenance of Wakefulness Test - A monitored test where the patient is placed in a darkened room every two hours and asked to stay awake for 30 minutes.
Transcendental consciousness refers to the fourth state of consciousness; the other three are deep sleep, dreaming, and wakefulness.
This state does make it possible for a hypnotist to make suggestions that stick in the mind more effectively than they would during typical wakefulness.