Why Do Some People Sleep With Their Eyes Open?

Why do some people sleep with their eyes opened? - Quora

Are You Always Tired? 33 Reasons You're Tired All the Time

Sleeping With Your Eyes Open – 6 Easy Steps to Start Practicing Now - Sleep Advisor

What to Know About Over-the-Counter Sleep Aids

Sleeping with One Eye Open: Possible Causes and Treatment

What Causes Dry Eyes at Night?, Sarnia

Why do our eyes move when we sleep? - BBC Science Focus Magazine

sleep - Cleveland Clinic

Sleeping with eyes open: Treatment, causes, and safety