Melatonin is an over the counter supplement that's been helping me. The doctor said it didn't interfere with any of the medications I'm taking. I use to take sleeping pills but they caused a mind fog the next day.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .