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the inability to fall asleep in the summer nights by dint of a lack of energy loss, a too high temprature and debus
which causes you to fall asleep later and later, wake up later and later as the summer is passing.
Marc: it was a lovely sunset this morning
Karen: why where you up so early?
Marc: I wasn't up early, I was still up from suffering summersomnia
by B100NL August 04, 2013
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