How to Treat Nocturnal Anxiety Naturally? What is Nocturnal Anxiety? Anxiety is a natural and normal human emotion that is expressed in the form of worry and nervousness. Any stressful condition can bring about this feeling of anxiety in you. This situation can be anything like an interview, first date, presentation in the office, lecture in front of hundreds of people, stage performance, etc. When this anxiety starts to overpower you and linger around you more than the usual time,