My suggestion is to STOP self-medicating, especially with such a dangerous drug. You need to see a pdoc and add some talk therapy also, you can get "real lasting" help, if you follow the advice and possible medication as prescribed, if you weren't happy with your former mental health providers, I would suggest seeking a new one. You can get some referrals from a General Practitioner, local hospitals (many) have Behavioural Health departments that can direct you to a pdoc and/or therapist, you can also look in your phone book for the Mental Health department of your county.
For best treatment and outcome, you cannot "self-medicate", it just doesn't work long term, in fact it just makes things worse. Your sleeping problems is most likely due to the use of the drugs.
You may need a mood stabilizer, etc. that should be prescribed only by a good pdoc. and you need to follow up and keep all appointments for best results, it is a program one needs to stick with, and you will get better.
This is something that you need to work with and give as much time as needed, some of us need to be on mood stabilizers for life, and that is no big deal, people take meds for life with diabetes, heart and thyroid conditions, so this isn't any big problem, just need the proper and legal meds.
Just my 2 cents.
Best Wishes,
DE

In giving advice seek to help, not please your friend
SOLON