Hello, Depending on your condition treatment is decided. Insomnia is usually secondary to underlying condition. Once your anxiety will be under control insomnia will resolve. Anxiety requires combination of medicine and psychotherapy.

Tremors, feeling anxious or nervous, sense of panic, sweating, increased heartbeat, feeling of impending doom, stomach discomfort, dizziness etc are signs of anxiety. These can be debilitating. If the anxiety is overwhelming, consult a Psychiatrist at the earliest. With the right medication and counseling, it is likely your symptoms will improve.