At night, people produce more and more insulin and leptin, which helps in food utilization and reduces retention. One thing the body makes a point to store with food is water. So sleep better and as much as you can without harming your life in order to improve your metabolizm and remain healthier in general.
3. Reduce sodium intake
When there are too many solute ions like Na+ in your system, the body craves and retains more and more fluid in order to utilize them. This makes it essential to manage the intake of salt and electrolyte solutions if you have a tendency for water retention.