Experiencing a serious injury to your body can disrupt your life in a variety of ways. Depending on where the injury occurred, you may find it difficult to walk, run, reach, or even carry out a number of basic daily tasks. For countless people, physical injuries have a direct impact on sleep cycles. Whether you find that you are having a hard time falling asleep at night or you are sleeping far more than you normally do, understanding why your body is going through these changes can be helpful. Review these points to learn more about physical injuries and sleep.