The answer is sleep gives the body time to prepare for the next day
When capitalizing titles only cap the first letter of main words. Words that typically have 3 letters or less do not get capitalized. These words are called conjunctions (and, or, but), Articles (a, an, the) or prepositions (in, to, of that,). These only get capitalized if they are the beginning word. For example, The Life of a Prince.
A report shows that between 2005 and 2006, the birth rate for teenagers 15-19 years rose 3 percent<span>, from 40.5 live births per 1,000 females aged 15-19 years in 2005 to 41.9 births per 1,000 in 2006.</span>
