During which month do people sleep the least?

What have one eye but still cannot see?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

O_er_t_o_

Complete the missing letters of the given word.

The more of this there is, the less you see. What is it?