Go Bald

so i've been kinda wondering if its normal to do this (i don't do this regularly but i did it a few years ago). i was 9 or 10 when i pulled my hair out till i got a baldspot, i never did it again which i'm really glad about. my parents got really worried thinking my hair was falling out and i lied saying i cut it because i was scared of what they would think. is it normal to do this once in your life at the age of 10? i'm just kinda worried.