After heart bypass, you can relax before going to bed, adjust your life and take medication to relieve your symptoms. 1. Relaxation before going to bed: you can consider listening to some soothing music or doing some relaxing exercises before going to bed to help you fall asleep, and you can also chat with your family members before going to bed to relax your mood, so as to help you fall asleep. 2. Life regulation: in daily life, should also pay attention to the daytime as little as possible to sleep, if you must sleep can be less sleep a while, do not sleep too long. You can also do some light exercise during the day, such as walking, etc. It is not suitable to do too strenuous exercise. 3. Medication: If none of the above methods can help you sleep, you can consider taking medication such as zopiclone to help you sleep. Specific medication should be prescribed by the doctor. Patients should pay attention to the postoperative cardiac bypass surgery should pay attention to avoid overwork, do not think too much, more communication with family members, to avoid emotional ups and downs, usually should be more outdoor exercise. At the same time should also pay attention to the postoperative actively prevent infection.