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.
1 People can stay up for longer, people in the Army stay up for 3 days at a time, and the world record is 11 days. 2  Staying up past two days can cause medical problems though. 3  Don't continually miss out on sleep. 4  It's not good for you, and can actually be fatal in extreme prolonged cases of sleeplessness.. Day 1, 9:00 PM The beginning of the night. Turn the air conditioning on high, and get a 2 liter (0.5 US gal) bottle of a caffeinated beverage ready. This caffeinated beverage will be your savior for staying up all night.