It's possible that your sister's weight loss and sleep issues could be due to various causes such as nutritional deficiencies, stress, or hormonal imbalances that may not be detected through standard
thyroid and
sugar tests. Other potential causes could include gastrointestinal disorders, metabolic issues, or even chronic infections. A detailed clinical evaluation along with a complete blood workup can help identify the root cause.
For further evaluation and personalized treatment, feel free to consult me for better guidance, or you can reach out via WhatsApp on eight zero zero nine eight two one three three two.