It may feel as if you are trying to survive. Since you are continually on edge, unexpected sounds make you startle. The expectation that something serious may happen at any moment, ask a lot of energy. As a result, there is less space for everyday things.
You may also lash out at people in your environment. Likely you have difficulties remembering appointments and messages. Your ability to focus on a book or movie is often poor. It takes more effort to focus your attention on work or study. Therefore, you may feel exhausted.