Many men over age 50 rarely sleep through the night. Instead, they find themselves awake and needing to urinate when, as younger men, this rarely happened. The National Institute of Diabetes and Digestive and Kidney Diseases offers an excellent resource on the most common cause of frequent and urgent urination in men–benign prostatic hyperplasia, or BPH. This Web site provides a clear explanation of BPH, drug treatments, surgery, and ongoing research into the condition, which differs from prostate cancer.

Go to: http://www.niddk.nih.gov/health/urolog/pubs/prostate/