Despite the vastness of human knowledge, the human brain is still, in some ways, a mystery to us and all it takes is one bad knock and you can find yourself blacking out and not waking up for a very long time.
A coma is a state of unconsciousness where a person is unresponsive and cannot be woken. It can be caused by a combination of things including head injuries and even alcohol poisoning.
A few brave Redditors have recently been sharing their experiences of what it was like to be knocked out one day and wake up months after.
And they’re a weird combination of strange and utterly terrifying…