When diving under the bedcovers for a place to snuggle in warmth and security, be sure you don't crawl through a tiny opening in the duvet slipcover instead. Think lobster trap.

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When exploring, if you jump into a kitchen cabinet where the plates and cups are kept…

… should you jump into a kitchen cabinet — perhaps should is a better conditional here — at head height of an adult human, quiet as a cat, and the door to that cabinet should somewhat surprisingly close, don't just sit there. Make a little noise. People are looking for you.

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Eaters of fieldmice, never forget: there are animals larger than you.