How many reasons are given why people might get fat without enough sleep?

How many reasons are given why people might get fat without enough sleep? how many bears are How many derks are how many trees are how many books are There are many reasons accounting for it.句子是否正确? There are many reasons explaining the harms of什么意思 how many legs are there? how many stop are there How many pears are there? How many stars are there? How many birdges are there? HOW MANY BOOKS ARE THERE How many people are zhere? How many people are there? How many apples are these how many girls are there How many pig are three?