How do you yawn/stretch?

I know that sounds crazy and people look at me crazy when I ask in real life.

Now I understand why I feel like I have lived my entire life like I have to hold myself together or my atoms will fly away.

Sometimes I feel like I deserve and need to yawn and body stretch.I think it has to do with resetting different systems in the body.

I have tried to do this with some tension and it's ok.

Any ideas, suggestions tips, experience on this?

I have noticed that before my burn out I only yawned when other people did it and never on my own. now that I'm learning to regulate my own nervous system and body I'm needing yawn and even wanting to stretch, which now knowing that I have hEDS scares me.

I just realized in typing this I could use a band to activate muscles vs pull...

I'll take any links too. Thank you in advance.