Cats often sleep on pillows for warmth, security, or affection. However, sometimes they do this to assert dominance. It can also mean they want to feel secure. When cats sleep next to humans, it generally means that the cat feels safe and secure around that person. Kittens often pile on top of each while sleeping, so this duplicates happy memories from their kittenhood.
Insomnia is the most common sleep disorder, much more common than night terrors or sleep walking.
You’ve probably heard someone say that “lightning never strikes twice,” but while this old adage is still used today, it’s not true—at least not scientifically. NASA debunked this myth in 2003, reporting that “lightning definitely strikes more than one place.” In fact, it does so about a third of the time!