Hi, thank you for the question. Based on your description of fast heartbeats and loss of weight despite good appetite, it is possible for you to have underlying thyroid problems. It is likely that you have an overactive thyroid problem. It can cause you to have difficulty sleeping during the night. In medical term, we called this problem as insomnia.

Yes, you should seek treatment from the healthcare providers to find the underlying cause. This condition makes you to have fast heartbeats, sweating, increased appetite, weight loss, restlessness and insomnia. Thyroid gland itself controls our energy and body metabolism. In hyperthyroidism, there is an excess of the thyroid hormones in our body due to various causes, which includes infection, autoimmune diseases, medications or some growth in the thyroid glands.

These excessive thyroid hormones act like stimulant to our body, makes us feel energetic and difficult to fall asleep. This is most likely to be the cause in your case. Therefore, the best way of identifying the cause of the insomnia is getting the right diagnosis. If the diagnosis is due to an overactive thyroid , you may need treatment to reduce the production of thyroid hormones and control the symptoms.

Typical treatments include antithyroid medication, beta blockers, radioiodine and surgery. These treatment will be discussed by your doctor to give you the best outcome. Besides that, there are some psychological causes to insomnia which can mimic the symptoms you described above.

Anxiety and stress can make you to have palpitations and eat more. However, it is unlikely to make you get skinnier despite eating normally. Moreover, doctor need to determine the food portion you ate every meal. Make sure you talk to your healthcare providers and have a good day!

Please click on this link (DoctorOnCall) to talk to us privately online and discuss further about your symptoms and treatment needed. Thank you.