What would the world be like today if humans evolved to not needing sleep?
What would happen if all the people in the world didn't need to sleep?
Why does the human body need sleep and what happens when we don't get enough? What happens to someone if they don't get any REM sleep? If you could wake up tomorrow in the body of someone else, who would it be? Why? Why does people sleep? If you could wake up tomorrow in the body of someone else, who would it be? At what time are the most people in the world asleep? What happens if you sleep whole day? How is it possible to die from lack of sleep? Can you die from a lack of sleep? Can someone die from lack of sleep? Can too much sleep affect our health? Can you die from lack of sleep? Tomorrow, you wake up as the only human being on Earth for an indefinite time. How would you live? What do people around the world typically wear to sleep? Why some of people still sleep all over the day? Why don't we sleep when we are awake? Can you sleep in an airport if you just arrived and don't have a flight the next day? What are the reasons for lack of sleep? Why don't people snore while they are awake? Why are people sleeping? What would happen if someone farted out loud in a first class flight while sleeping? Why did the Russian Sleep Experiment fail? Why is it nearly impossible to sleep soon after waking up from a nap? Why do humans fall asleep? Has anyone ever died from lack of sleep? Why we can't wake up in the morning? What would happen if every human being can read the thoughts of all other human beings? What happens in our body while sleeping? If I changed my sleep from 7 hours to 6,what will happen to me? What would cause someone to feel as though their "head is spinning" when woken up from sleep (without sitting up or standing)?