Will general anesthesia cause hair loss on relaxed hair?

i was told that if you perm your hair right after having general anesthesia it will fall outWill general anesthesia cause hair loss on relaxed hair?
Must be an old wives' tale.





Hair loss can occur if there is pressure for many, many hours on one part of the head, but that would happen at the time of surgery, or afterward, if you're not moving much in bed.Will general anesthesia cause hair loss on relaxed hair?
I've never heard of such a thing