If anything, sleep deprivation is one of the biggest weird thing that could happen to anyone. Although, unfortunately, in reality, most of us suffer from it.
Drowsy driving is a clear and present danger to motorists. I myself have experienced it due to my sleep apnea and must constantly rely on caffeine every day to get me home safely.
Employers lose an average of $3,000 per employee a year on sleep related ailments and conditions.
Sleep deprived doctors and nurses are responsible for medical errors that lead to patient fatalities. You can't begin to quantify the amount of money spent on lawsuits, not to mention the loss of human life related to sleep deprivation.