In case of occasional insomnia, you can rejuvenate your energy on the next day by taking a daytime nap. In addition, you can replenish your energy by eating foods that are easy to digest, high in vitamins, and high in calories. If it is a long-term insomnia, can not sleep well, this situation should be appropriate examination, including polysomnography, to clarify the cause of insomnia, is it sleep apnea syndrome, or restless legs syndrome, or there are other diseases, for appropriate treatment. Finally, after insomnia, remedies are not very helpful.