Also, if you notice any changes in your blood pressure, pulse or other
symptoms related to enhanced action of
Propranolol, you can always adjust the dose to achieve the best possible outcome (again, with your psychiatrist's review).
I hope that helps with the first part of your question.
Sertraline can be taken any time of the day provided you take it the same time each day. Similarly, you can take Clonazepam at fixed time of the day.