Very good article @kato95. I like your statement below

This statement is supported by a study in Japan examining samples with 24,000 women, and has an age range between 40 years to 79 years. Later, they found that women with less than 6 hours of sleep each night could increase the risk of brain cancer by up to 62 percent higher. In addition to brain cancer the type of cancer that may occur is colon cancer, Research revealed below people who sleep less than 6 hours a night will lead to colon cancer risk up to 47 percent.