Difficulty sleeping is not uncommon after domestic abuse. Victims have trouble feeling safe to sleep during the relationship because we are more vulnerable when we sleep.
The feeling of being vulnerable and unsafe during sleep carries over and follows you. It is hard for your brain to process that you are now in a different situation and are no longer threatened because you are sleeping.
I will explore this topic of insomnia in the near future. If you have insomnia and feel it is related to domestic abuse, feel free to leave a comment.