As u have clearly mentioned that you have been diagnosed with
thyroid issues in Aug and are on medications.i would like to know that have your repeated yr blood parameters and has thyroid levels normalised. If not u may have to consult yr endocrinologist for adequate dose titration . For sleep issues u should also consult a psychiatrist who will prescribe Meds so that yr sleep cycle is regularised and also u need to follow good sleep hygiene.
Next Steps
consult endocrinologist and psychiatrist