How have you been sleeping lately? Getting to bed is sometimes really difficult, and a huge issue for a lot of people. Maybe it's someone at work who's really getting on your nerves, you're worrying about finances, or you're thinking about that scary movie you saw three months ago and just happened to pop up in your head. Or maybe you're one of those people that sleeps soundly every night, the kind of people that we hate. Well, try reading these things and see how well you're sleeping at night. Several threads on Reddit have discussed unsettling or scary facts, such as this one, this one and this one. Here are some of our favorites.
"Approximately every seven years every single atom in your body gets swapped out for a new one. Therefore, everything that makes you [sic] up your body, brain, and the synapses that store your memories are different to the ones you were born with. You are, in effect, literally a physically different person." – PixelGuyUK
However, if you collected all the atoms you've lost over the years, you could probably use them to create several new yous.