Rosalind Cartwright is no stranger to sleep.
Cartwright, a professor and chair of the department of psychology at Rush University in Chicago, has researched sleep for the past 40 years and written numerous studies on dreams and slumber.
But last September, she experienced a sleep-related anomaly that even she can't entirely explain.
"That night, I have no idea what happened, except that I found myself on the floor at 3:30 a.m.," she says. "I was really hurt badly, but I crawled back into bed...Full Story