When you are just too tired to sleep

Ever experienced that paradoxical state where you’re exhausted and just want to sleep, but your brain is racing through thoughts in overdrive and just won’t let you relax? — dpa

It typically happens to babies and young children: They become “overtired” and can’t sleep, often because they’ve been awake too long.

But adults can become overtired too, robbing them of longed-for sleep that can set a vicious cycle in motion.