Japanese, South Koreans and Singaporeans are the top three nationalities who are workaholics and playaholics. They deprive themselves of sleep while they prioritise work and play time. Life is a rat race.
Babies sleep almost all the time to grow their bodies and brains. They grow until early adulthood, with their brains developing neural networks to multitask.
A clever army is to be reckoned with so one of the military strategies is to exhaust the enemy. The deprivation of sleep is a weapon.
