Can i apply Bandhas while lying down

[The Phantom Stranger]

Can i apply Bandhas while lying down because my stomach is not compressed and i can get more air in

 

[Fuchs]

Can i apply Bandhas while lying down because my stomach is not compressed and i can get more air in

Jes but avoid chin lock.

 

[Soaring Eagle 666]

Can i apply Bandhas while lying down because my stomach is not compressed and i can get more air in

No you will die instantly.
Be very careful with these things

Well, I just tried all on this page while lying down, and I'm not dead yet: :roll:
https://www.templeofzeus.org/Bandhas.html

But I think they are more effective as stimulating and directing the Kundalini while sitting up, especially the Uddiyana Bandha.