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Izabela Grabska-Kobyłecka, Dariusz Nowak Received: 13.10.2014 Accepted: 20.10.2014 Published: 31.10.2014 © Pediatr Med Rodz 2014, 10 (3), p. 270–277 Sen, bezsenność i jej leczenie – krótki przegląd aktualnej wiedzy ze szczególnym uwzględnieniem ziołolecznictwa Sleep, insomnia and its treatment – a brief review of current knowledge on the subject with a special attention to herbal medicine