Hmmm....

All I know, is that I used to have a cat who would pat my eyes with his paw while I slept. Very creepy thing to wake up to, that.

Scientists Have Figured Out Why Your Eyes Move When You Sleep

When you dream, your eyes flutter quickly from side to side, which is exactly why this phase is known as rapid eye movement (REM) sleep. It’s long been suggested that the eye movements might correlate with people seeing things in their dreams as they “look around.” Yet even fetuses and people who have been blind since birth experience REM, despite the fact that they’ve never experienced sight.