Brain's biological clock stimulates thirst before sleep

The brain's biological clock stimulates thirst in the hours before sleep, according to a study. Scientists have known that rodents show a surge in water intake during the last two hours before sleep. The study now reveals that this behavior is not motivated by any physiological reason, such as dehydration. So if they don't need to drink water, why do they?

Originally published at https://www.sciencedaily.com/releases/2016/09/160928135858.htm