Sleep disturbance symptoms and their associations with alexithymia, depression and anxiety by Gyftopoulos Sotirios, Karkanias Athanasios, Moussas Georgios, Tselebis Athanasios, Diamandi Christina, Lagou Sofia, Dumitru Silvia, Spanopoulou Asimoula, Bratis Dionisios, Kosmas Epaminondas