No appetite, insomnia is generally caused by mental disorders, and mental tension, stress has a lot to do with it, you can take tranquilizing and brain tonic class of Chinese medicine to regulate, such as tranquilizing and brain pellets, you can also drink hot milk or listen to soothing music before going to bed to relieve, soak feet also help sleep. Avoid drinking strong tea or coffee before going to bed, because strong tea and coffee will make people more excited and affect sleep. If you have a poor appetite, you can eat more appetizing food, such as hawthorn, orange, etc., or you can also take stomachic tablets to relieve. You can also do appropriate exercise to relax, such as doing yoga or early morning running exercise, but also to avoid staying up late, to go outside more activities, to maintain a happy body and mind. If the situation is more serious, you should go to the hospital to find a doctor for treatment.