Is it rude not to answer the door?

it is absolutely okay to not answer the door when someone knocks. Just because someone wants to talk with you, or wants to come in your house, does not mean that you must let them.

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And another question, why is the knocking on the door not answered?

Why is knocking on the door not answered ? Ans: Knocking on the door was not answered because there was no one in the house. What is the best way to answer the door when you are home alone? Ask the person to identify him or herself. Never reveal that you are home alone. Check to make sure that the door is locked. If you're not sure that the person should be there, it's better not to let him or her into the house.

One may also ask why shouldn't you open a door in a dream?

If you dream about an open door and then it slams shut, you may have missed an opportunity which is no longer available. It could also mean you had perceived a problem forming, but that it has now disappeared. Dreaming of a locked door could mean you're feeling cut off from a possible opportunity in your life. What does it mean when you hear knocking in your sleep and it wakes you up? What's exploding head syndrome? Exploding head syndrome is a condition that happens during your sleep. The most common symptom includes hearing a loud noise as you fall asleep or when you wake up. Despite its scary-sounding name, exploding head syndrome usually isn't a serious health problem.

What does it mean when a voice wakes you up?

Voices as you fall asleep or wake up ? these are to do with your brain being partly in a dreaming state. The voice might call your name or say something brief. You might also see strange things or misinterpret things you can see. These experiences usually stop as soon as you are fully awake. You can also ask why is there random banging in my house? The knocking or banging noise you hear coming from your walls usually occurs when air pressure builds in your water pipes. The pipes could be loose, in which case they'll need to be tightened or fit with a sleeve that keeps them from banging against your walls.