Vaseline can help you reduce the dark circles under your eyes. As we know that Vaseline contains vitamin E and C, so it will make your skin sticky, and in that way, it will also helpful in reducing the dark circles. Besides, lemon juice, olive oil can be good for your eyes, also, there are many other factors that can cause dark circles under eyes, such as the allergy and alcohol, or stress, lack of sleep. For your situation, lack of sleep is the big problem. So you should also pay attention to it . If the situation is serious, maybe you can go and ask the doctor to help you.