[1] is not about male pattern baldness, it's about telogen effluvium (an acute physiological stress reaction), alopecia areata (autoimmune) and trichotillomania

[1] is not about male pattern baldness, it's about telogen effluvium (an acute physiological stress reaction), alopecia areata (autoimmune) and trichotillomania (pulling your hair out, psychological.) [2] does not mention lack of sleep at all, and instead gives a detailed mechanistic pathway from androgens to keratins. your conclusion is not supported by your sources.