If you feel that your head is going to burst when you sleep, it may be that your head is swollen, and there are many reasons for this: 1. If you work harder or overuse your brain during the day, or if you are too nervous or have a nervous breakdown, it may lead to symptoms such as swelling and pain in your head when you sleep. This situation and the usual mental factors, as well as mood has a certain relationship, you need to do is to relax yourself, appropriate to eat tranquilizing drugs to improve the quality of sleep. 2, in addition, may also be caused by cerebral insufficiency of blood supply, because cerebral insufficiency of blood supply can easily cause cervical spondylosis, then there may be dizziness, dull feeling or head swelling feeling, you can go to the hospital for examination, and then usually do a good job of keeping warm 3, in addition to the above, the brain before going to bed to hold up the feeling of bursting, but also may be related to various factors such as the heart, it is best to check in detail.