A short video shows a little duckling sitting against the backdrop of books and copies, trying hard to stay awake.
Its eyes keep shutting again and again as it slips into tiny naps, and as soon as it realises that sleep is pulling it deeper, the tiny creature wakes up and shakes its head to get the sleep off.
The sleepy duckling will surely remind some of those long math and physics lectures one just cannot get through awake.
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