Pixabay / CC0 Licence Sleep is one thing that all humans have in common. Study after study has proven that humans need sleep to survive, to prevent numerous concerning health conditions, and to work and feel at our best – it is, along with the need for water and sustenance, one of the few things that unites all of humanity. Given that sleep is so crucial, so universal, the idea that there are a huge number of misconceptions regarding sleep seems… a little absurd. Yet despite this, misconceptions about sleep do indeed abound, which can make knowing exactly how to optimize your sleep – and thus optimize your health –…