In honour of World Sleep Day, we take a look at some stunning images depicting sleep and consider taking some time out of our busy schedule to catch up on some much needed Zzzzzz!
© Kumar Bishwajit, Sleepers class inside a train
© Marco Migliozzi, Sleep in tram
© Anastasiia Kononenko, A man sleeps on a green bus stop in India
© Morgann Gicquel, Sleep is sacred