Why do people go to bed?

John was visiting his friend Jacob. He found out that his friend's wife had just killed a burglar in self-defense.
John asks Jacob about what happened and he told that "His wife was watching television when suddenly the bell rang. She thought that it is her husband Jacob but she found the burglar who attacked her instantly and she got so frightened that she killed the burglar immediately with the knife.
John asked the police to arrest his friend's wife. Why?

What does does this rebus picture means ?

Why Wine Glass Stem is so long?

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

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

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

Chhote se Chintu Miyan,
Lambi si Pooch.
Jahan Jaye Chintu Miyan,
Wahan Jaye Pooch.

छोटे से चींटू मियाँ,
लंबी सी पूंछ।
जहाँ जाये चींटू मियाँ,
वहाँ जाये पूंछ।

Bolo kya?

What is the below Rebus indicate?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?