Nocturnal pain and pain sensitivity-related symptoms are associated with poor sleep quality in patients with hip osteoarthritis. - Toyomura Y; Ohashi Y; Fukushima K; Uchida K; Norisugi A; Osaki Y; Uchiyama K; Takahira N; Inoue G; Takaso M (Osteoarthritis and cartilage open, 2026)