I know it's unpleasant but wash your face with cool or cold water in the morning. If the eye area is particularly puffy, try swiping an ice cube or other frozen product on the area.

Before going to bed put your moisturizer and foundation in the fridge. In the morning they will be cool enough to reduce the puffiness of your face.

Cucumber or wet tea bags work well in soothing and reducing puffiness.

Splash your face a few times a day with cool water.