As to how common it might be, that study suggested about 5 percent of adults are affected, but estimates do vary, with some suggesting up to 20 percent of people may sleep with their eyes open.

But did you know some amazing creatures can actually sleep with their eyes open? It might seem strange, but these animals have developed abilities to rest while staying alert to their surroundings.

At the Berlin International Film Festival – A reflection on “Dormir de olhos abertos” (Sleep with your eyes open) by Nele Wohlatz. Lu Yang Zong, Nahuel Pérez ...

She says the mantra she has internalized since she gave birth to her last four children is: "Keep them covered, and avoid talking about them even when people ... his eyes could barely open ...

Since they can sleep with their eyes open, you may even have witnessed it in the past without realizing it.” There’s plenty about whitetail bedding behavior that you can use to improve your ...