Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

What is full of holes but still holds water?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

When it is alive we sing, when it is dead we clap our hands. What is it?