1 First of all, if you don't want to gain weight at night, you can eat more coarse grains, such as oats, brown rice and sweet potatoes. Coarse grains contain a lot of dietary fiber, which can make people feel full, suppress appetite and reduce obesity caused by intake of exogenous calorie food. Coarse grains are a common food that helps people feel full without gaining weight.

2. If you want to gain weight at night, you can eat more fresh vegetables and fruits, such as bitter gourd, carrots, cucumbers, kiwis and apples. The vitamins, cellulose, carotenoids and trace elements contained in these fresh vegetables and fruits can not only inhibit the proliferation of fat in the human body, but also help accelerate the metabolism of the human body, accelerate the consumption of excess calories in the human body and help the human body lose weight.