What happens after we die is a very common thing to think about, because the answer is so unknown.
But people who have been pronounced clinically dead and then revived again have been describing exactly what they saw and felt during the time their hearts stopped - and there are some pretty varied experiences.
It comes as a team at University of Tartu in Estonia recorded the first ever brain activity during death in a ground-breaking scientific study. Scientists found that the brain keeps working for a short while after hearts stop beating, and in the wake of this, one person took to Reddit to find out more information from people first-hand.
