Do you really feel healthy? ISlide demo design ppt template

With 18 PPT to tell you that late sleep really affects health? A large study led by the American Cancer Society, who, for up to six years of follow-up, found that people who slept eight hours a night had higher mortality rates than those who slept for seven hours, and the effects of sleep changes on cognitive function in later years , The researchers used six standard tests to assess cognitive function, including memory, reasoning ability, vocabulary, verbal expression, writing skills, the overall cognitive situation ... ... late sleep really affect the health of it? ISlide demo design ppt template.