When I had my children in the 60's, the doctors around here used something called "Twilight Sleep". I never knew exactly what it was, but I was not awake (nor was I really "out") when my
children were born. Both were induced, so I've never felt a labor contraction. Six weeks after Rich was born, a close friend called me to see what labor felt like, because she thought she might be having contractions. She was highly indignant when I couldn't help her (yes, she was in labor).