Have you had enough of waking up in the night to go to the bathroom? New research claims the reason is not all those cups of tea before bed.
The annoying need to pee in the middle of the night is related to the amount of salt in your diet, researchers say.
Nocturia, or the excessive need to urinate during the night, mostly affects people over the age of 60 and can have a significant impact on a person's quality of life because of the disruption to sleep.
Scientists in Japan have discovered that reducing your salt intake can significantly reduce the need to wee in the night.
"Research generally focuses on reducing the amount of water a patient drinks, and the salt intake generally is not considered. Here we have a useful study showing how we need to consider all influences to get the best chance of improving the symptom," said Dr Matsuo Tomohiro from Nagasaki University.