How can a man go eight days without sleep?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

12345 a famous South Indian actor
567 is a path in jumbled form
8 & 10 are same letters
9 is one among the first six alphabets.
WHO AM I?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

Which is heavier: a ton of bricks or a ton of feathers?

Which digit occurred maximum times between the number 1 and 1000?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?