Physically uncomfort. Physical symptoms of anxiety include: a spherical shaped pain in the throat; tightening on the neck muscles in the back; a pressure in the chest making it uncomfortable to breathe; a heavy tight ball sensation in your stomach; an uncomfortable buzz/energy under the skin and muscles that makes you unable to sit still; a tightening of the jaws; heat in the face, cheeks and back of eyeballs etc.
Anxiety can have. hangover symptoms--muscle tightness, headaches, nausea, sleeplessness, etc. There are also different versions of anxiety, from mild and global to specific and intense. You could be anywhere on the spectrum on any of the categories. Go to a psychologist for a look-see. Here's a beginning reference: http://www.psychologyproductsandservices.com/page2.html.
See below. In between anxiety attacks or panic attacks a patient may still experience physical symptoms, even though they don't feel anxious or nervous. The following symptoms are often caused by underlying anxiety: tension headaches, insomnia, abdominal pain with diarrhea or constipation, stomach pain, heart palpitations, muscle tension, fatigue, difficulty concentrating, dizziness and excessive sweating.
Anxiety. Anxiety or worry is a psychological & physiological state characterized by somatic, cognitive, emotional & behavioral features. It signifies fear/concern/unpleasant sensations/ dread. It causes restlessness, fatigue, muscle tension & concentration difficulties. It is considered a normal reaction to a stressor, unless it interferes with daily functioning or causes significant distress, as in panic.