In Anxiety Disorder--People may experience: Various symptoms Behavioural: hypervigilance, irritability, or restlessness Cognitive: lack of concentration, racing thoughts, or unwanted thoughts Whole body: fatigue or sweating Also common: anxiety, excessive worry, fear, feeling of impending doom, insomnia, nausea, palpitations, or trembling Come and see Dr.Rohan Jahagirdar MD And be at your best.