Drink plenty of water. Under-eye bags are often caused by the retention of water due to high salt concentration in the area. You might wake up with bags after eating a salty dinner or crying; whether it's from tears or food, salt can draw water to your face and cause it to collect under your eyes.
- Flush excess salt from your system by drinking water. Avoid salty foods for the rest of the day.
- Stay away from drinks that cause you to become dehydrated, like coffee and alcohol.