What is the below Rebus indicate?

During which month do people sleep the least?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

Can you make a six-letter word using the letters N, A and B ?

Find out the number of circles in the given picture having Illusion

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

How many times do a clock's hands overlap in a day ?