Emergency Room Series: Do Not Self Medicate

Why is it difficult to follow simple instructions? A man in his early thirties was rushed to the ER at night. He was brought in on a stretcher. Some policemen came with him. He was unconscious and cold to touch. I actually thought he was dead. On close examination, we noticed he was breathing but was shallow. The policemen said he was noticed to have stopped his car suddenly at the side via IFTTT