Poker What to do if your stack gets shorter?

I think everybody knows that: you are in a tournament and it's running good, you was over the average for quite some time and already in the to 20% to 10% but now your stack gets shorter and shorter. In general I play lesser hands the shorter my stack is, but due to this I missed very good flops though. And the blinds are going up...

So what is the best thing to do here? A bluff is difficult to set up because of your short stack, so most likely you get called and folding most of the hands isn't good also because after a few orbits you could be out already from paying the ever rising blinds and antes.

Thanks for any advice from you guys

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