The book "Why we sleep" talks a lot about this - apparently the doctor who created the first residency program was a cocaine addict, which let him stay awake fo

The book "Why we sleep" talks a lot about this - apparently the doctor who created the first residency program was a cocaine addict, which let him stay awake for days at a time: https://en.m.wikipedia.org/wiki/William_Stewart_Halsted https://en.m.wikipedia.org/wiki/William_Stewart_Halsted