Although the likelihood of chest pain being because of heart ailment is too low, still it is advisable to get ECG done urgently to be assured of safety. Consult a physician nearby for that. Inability to sleep on time , anxiety and panic are part of Anxiety Disorder. There are many effective treatments available for anxiety disorders. Both psychotherapy and medications can be equally effective. However, in my experience, panic attacks usually require medications, at least to begin with. You should consult a Psychiatrist for diagnosis and treatment.