Think about the thoughts you have before you fall asleep — especially when you need to fall asleep very quickly. At moments like these, your brain starts wondering about different things that you never think about on a regular day like, how much does a cloud weigh? Can a person sense smells while they sleep? How much energy does a human body produce? Luckily for you, we found the answers to all of these questions!
Bright Side has prepared 20 interesting facts that you can think about before you go to sleep.