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Why owls shouldn’t be woken up at five a.m. and why do larks spring up with the first sun rays? How to overcome jet lag, why do you want to eat a cake at night and why should you have complete darkness in your bedroom? Olga and Nika tell us all about...

Why owls shouldn’t be woken up at five a.m. and why do larks spring up with the first sun rays? How to overcome jet lag, why do you want to eat a cake at night and why should you have complete darkness in your bedroom? Olga and Nika tell us all about this, while not only myth-busting, but also using practical exercises to show how to make sure that we all finally get some sleep.