In psychology, the fear of public speaking is called glossophobia. Psychiatrists estimate that 95% of people are afraid of speaking.
The main fear experienced by a person who goes out in public for the first time is the fear that society will condemn him. There are several deeper reasons: the collective existence of primitive society. In ancient times, if a member of the primitive community was guilty of it, he was expelled.
It's important to calm yourself down. Infusions and decoctions with lemon balm, rosehip, viburnum, chamomile, motherwort, valerian, etc. will help strengthen the nervous system.
Echinacea, lemongrass will help with apathy, depression, weakness.
You can use breathing practices, outdoor walks, music.
Take a deep breath. Exhale the air completely, expel the air from the lower part of the lungs, so that the stomach is drawn in. Hold your breath counting to 20. Then exhale the remaining air in your lungs and only then inhale.
Watch your body - no need to stand in the center of the stage with your hands in your pockets - move slowly (not quickly, otherwise people will have a sore neck), gesticulate. In order to move your arms correctly, it is important to remember that the movements should not be sharp or wide.