According to Amis, a large glass can supply "that final burst of energy at the end of the day" but should be avoided any earlier: "The writer who writes his books on, rather than between, whisky is a lousy writer. He is probably American anyway."

Older article, more serious than you're expecting.

https://www.theguardian.com/books/2013/jul/20/why-do-writers-drink-alcohol