Pumpkin Seeds provide you with a substantial quantity of zinc, magnesium, copper, protein and healthy fats. Let's have a look at some of the health benefits of pumpkin seeds below. Heart Friendly Pumpkin seeds are rich in healthy fats, fibres and various antioxidants that are good for the heart. They contain monounsaturated fatty acids that help to lower bad cholesterol and increase the good cholesterol in the body. Sound Sleep Pumpkin seeds contain serotonin and tryptophan. Tryptophan further gets converted into serotonin in the body that helps you in getting a good night's sleep. If you have trouble in falling asleep, have a handful of pumpkin seeds before going to bed.