Paragraph 19 of the article entitled The Secret Truth about Napping states, “... people who take 30-minute naps at least three times a week are 37% less likely to die of heart disease… People who nap for less than 30 minutes or nap only one or two times per week are 12% less likely to die from heart disease.” This backs up the controlling idea by providing numerical data demonstrating how a miniscule amount of resting time can decrease an individual’s chance of obtaining harmful effects such as heart disease. When it comes to sleeping and napping, the amount of time taken to recharge can determine the lifespan of an individual. Without napping, Albert Einstein may have died from heart disease before determining the theory of relativity. Additionally, a researcher at the Allegheny College found that napping was a significant factor in lowering blood pressure after a mental stress. Paragraph 19 of Source 2 states, “... people in the study who took a daily 45-minute nap on average had lower blood pressure after taking a mental stress test than those who didn’t have a nap.” This illustrates that by simply taking a few minutes to recharge, an individual can enjoy positive health benefits without lifting a finger. Therefore, sleeping and napping perform an important role in one’s health