Optimistic people sleep better, longer, study finds

People who are the most optimistic tend to be better sleepers, a study of young and middle-aged adults found. More than 3,500 people ages 32-51 were included in the study sample. The participants included people in Birmingham, Alabama; Oakland, California; Chicago; and Minneapolis. The research was led by Rosalba Hernandez,…

Americans overestimate income for children from wealthy families: Public also underestimates value of a college degree in mobility

Americans overestimate the future income for children from wealthy and middle-income families, but underestimate that for children from poor ones, finds a new study by New York University sociologists. The research, which appears in the journal Proceedings of the National Academy of Sciences (PNAS), runs counter to popular perceptions, as…