These can be motivated by several things, such as anxiety, medication side effects, or even underlying conditions. It's important to have this with a healthcare professional who can assess her situation in its entirety is necessary. In the meantime, she will find it very beneficial to spend time in a relaxed environment and involve herself in activities, which give her pleasure and safety. Do not decide to alter any medications nor begin any new ones until you have consulted your psychiatrist, for the situation and can be of help to you.