There are many diseases that cause night sweats, such as hyperthyroidism, female menopausal syndrome, systemic lupus erythematosus, rheumatic fever, rheumatoid fever, brucellosis, AIDS, tuberculosis, endocarditis, osteomyelitis, abscesses, cerebrovascular disease, peripheral nerve disease, anxiety disorders, carcinoid syndrome, prostate cancer, lymphoma, leukaemia and pheochromocytoma.