Sleep is a critical pillar of human health and has a considerable impact on both cognitive and physical functions in humans. However, global sleep patterns and human sleeping habits vary significantly across the world due to different cultural, environmental, and socio-economic factors. With the knowledge of such sleeping facts and global trends on sleep, including the effects of low sleeping hours, it may thus serve in assessing states of well-being and productivity across populations. This present article, therefore, draws a line between countries that get most and least sleep and identifies factors contributing to these differences in sleeping hours.