human body requires minimum seven liters of water each day to stay fresh and completely hydrated. If the body is not properly hydrated it might lead to several disorders like kidney stone, dehydration, etc. Our body has huge amount of sodium and is present in every cell. It is crucial to keep the sodium balanced in our body as it is directly involved in the function of nerves and muscles. The Urinary Sodium test is conducted to check the level of sodium in your body. This test determines the regulation of sodium and proper functioning of kidney. There are two types of sodium tests; one is a random test which looks for sodium in a single urine sample and the 24-hour test which checks the sample for 24 hours.