As per your query, your symptoms of anxiety and sleep are controlled on doze of 0.25 mg of Clonazepam that is minimum dose. You can take it on SOS basis.Along with it you must do DBR, JPMR, sleep hygiene so that your symtoms should not reoccur on reducing dose of medication, for above relaxation exercises you can consult psychiatrist or search on net
Next Steps
you should follow as discussed above
Health Tips
follow a good healthy Lifestyle with above mentioned advise