Sort:  

https://www.theguardian.com/notesandqueries/query/0,5753,-1967,00.html
Seems ants DO sleep, just not much, and not the same way we "sleep".

My bad.. i didn't research properly. I just read it somewhere and forgot about that. Going through your post I realized that I also can share somthing. But didn't know it was a false fact.
Thanks for updating me.