Welcome to the board Of Health Care Magic
As you have described the symptoms in your query.These symptoms are fitting to the symptomatolgy of some Tyhroid Disorder may be Hyperthyroidism
To rule out the thyroid disorders one should under go some investigations like Tyroide Profile Blood sugar level and other routine investigations. You should also be investigated for any cardiac problem
Better you consult the physician who can investigate and manage your problem accordingly.
Hope your query is answered .