I know this is probably a common topic. For me, I’m not sure if it’s a “trope” or just totally misinformed writing, but it’s how many authors approach alcoholism. Some examples are Girl on the Train and The House Across the Lake, among HUNDREDS. If anyone else here has struggled with alcoholism, you know it’s not just "i woke up after downing an entire bottle of whiskey but was able to shower, down a cup of coffee, and solve a murder. "
When CSI: Miami was a thing, we used to joke about David Caruso’s character not being able to function in his job or frankly his personal life, because he was too busy carrying out the eternal vigilance and harassment that he swore on all the suspects!