Structure of Haemoglobin: Haemoglobin is an aggregation of four globular proteins (typically two alpha and two beta subunits), each with an embedded haeme group. Each haeme group allows the binding of an oxygen molecule.
Here's another intriguing case from the Guinness World Records. In 1964, a 17-year-old high school student named Randy Gardner beat the world record for sleep deprivation by staying awake for 264 hours (11 days) without using any stimulants.
Best Answer: What is the world record for staying awake? The London Times reports that Tony Wright of Cornwall recently stayed awake for 266 hours. He was attempting to break the world record of 264 hours awake set by Randy Gardner of San Diego in 1964. The Times then goes on to report the bad news.