I agree with so many of the above choices.
P. G. Wodehouse would be top of the list. I read him out loud when I’m home alone, especially on a bad day. (I do a pretty good Bertie Wooster, and not a bad Jeeves.) I also love listening to Stephen Fry read him on audiobook.
Wilde’s Picture of Dorian Gray. The dialogue is sublime, and I love that late Victorian world of aesthetes and decadents.
Children’s books are also a comfort on a bad day. I love listening to audiobook recordings of Tolkien’s Hobbit and Lewis’ Narnia books.
Patrick Leigh Fermor, Bill Bryson and Evelyn Waugh never fail me. Also David Copperfield and Pride and Prejudice. Even after so many years they haven’t been bettered. Returning to them is like visiting a much loved grandparent.
Two other surprising choices would be Bertrand Russell and George Orwell. There is something about their clear, sharp minds, and crystal clear prose, that sort of re-balances me. Also the literary critic Harold Bloom. His passion for books and reading is infectious. He’s also a first class writer.
Above all, I love laying in a hot bath listening to audiobooks. If I’ve had a bad week, I will sometimes lay in a bath for an hour or more on a Friday night listening to Stephen Fry read Sherlock Holmes or P. G. Wodehouse or Harry Potter.