The most prominent sign of a sleep-deprived brain is that performance becomes unstable and starts fluctuating, from normal, unaffected performance to complete inattention. Successful business is dependent on accurate communication, people being capable of critical thinking, and taking calculated risks. Sleepiness is highly prevalent in many workplaces, affecting how people feel, think, and perform. Awareness of sleepiness, one's own and others, is important since the causes and consequences can be managed.
Sleep is a curious phenomenon. Despite more than 50 years of research, its biological function or functions remain elusive. Most recently, sleep has been shown to support vital brain functions relating to metabolism and adaptation. We do know that the high metabolism of the waking brain is a messy and costly business, and that sleep facilitates maintenance and recuperative…