Incredible as it may seem, this can happen to the best coffee lovers. They may forget to drink coffee when we face a crazy day, but their body doesn't forget... I remember feeling the latency of a portentous migraine a couple of times, during some morning turn class and suddenly realizing, “Oh, I didn't drink my coffee!” Terrifying 😫
As you rightly said, those are the worst headaches, they are a real torment.