Welcome to the forum

Welcome!
Absolutely no need to panic!

It is a very normal phenomenon and you are in no danger.
If you feel a bit panicky, just touch parts of your body and you'll find they are still there.
You can try concentrating your attention on one part of the body - say the hands or the feet and see if you can be aware of very subtle sensations - like tiny tinglings, slight buzzing, feeling of warmth. As your awareness develops you can be aware of very subtle continuous vibrations in all parts of the body.
Hope this helps
peace and joy
H
