There are several natural ways to plump lips overnight using ingredients that can be found at home. Here are some methods and their details:

1. Spicy Plumper: This recipe uses ground cinnamon, ground cloves or clove oil, and cayenne powder. These ingredients increase blood flow to the lips, resulting in plumper lips. To use, mix the ingredients together and massage onto the lips in a circular motion. Leave it on for 5 to 10 minutes and then rinse it off with cold water.

2. Lip Plumping Balm: This recipe uses olive or sweet almond oil, cinnamon oil, and peppermint oil. Mix all the ingredients well and massage onto your lips for 5 to 10 minutes to help stimulate blood flow, making your lips appear fuller.

3. Luscious Gloss: This recipe uses unscented clear lip gloss, peppermint oil, and cayenne powder. Mix the ingredients thoroughly and apply to get fuller lips.

4. Hyaluronic Acid Serum: Apply a hyaluronic acid serum to your lips to fill them out naturally. Hyaluronic acid is a topical serum that can help hydrate and moisturize your lips, making them appear fuller.

5. Essential Oils: Essential oils such as cinnamon, cayenne pepper, and peppermint can mildly stimulate the lips, boosting circulation and creating a localized "swollen" appearance. To use, combine three drops of peppermint essential oil and a pinch of cayenne powder in a small dish. Mix using an organic, clear lip gloss of your choice, then apply on your lips for a quick pucker up.

6. Petroleum Jelly: Apply petroleum jelly to your lips overnight to hydrate and moisturize them. This will help heal cracked, dry lips and prevent them from becoming chapped.

7. Coconut Oil or Raw Cocoa Butter: Rub a generous amount of coconut oil or raw cocoa butter on your lips before bed every night. This will give your lips a full night to absorb the nutrients and hydrate naturally. When your lips are properly hydrated, they generally appear fuller and healthier.

8. Olive Oil and Chili Powder: Mix 1 tablespoon of olive oil with a few sprinkles of chili powder, no more than 1 teaspoon. Lightly rub the mixture on your lips and leave it on for 1 to 5 minutes before wiping it off with a paper towel. Moisturize with coconut oil, raw cocoa butter, or your favorite lip balm.

9. Vitamin E Capsules: Cut open a vitamin E capsule and apply the product right to your lips. Vitamin E boosts circulation and may help generate new skin cells, making your lips softer.

It is important to note that some of these methods may cause irritation or allergic reactions, so it is recommended to spot-test on your arm first before applying to your lips.