Optimistic people sleep better, longer: Study

New Delhi, Aug 08 (ANI): A recent study discovered that people who are the most optimistic tend to be better sleepers. The study was published in the journal of Behavioral Medicine. Participants' levels of optimism were measured using a 10-item survey, which asked them to rate on a five-point scale how much they agreed with positive statements such as "I'm always optimistic about my future" and with negatively worded sentences such as "I hardly expect things to go my way." Scores on the survey ranged from six (least optimistic) to 30 (most optimistic). Participants reported on their sleep twice, five years apart, rating their overall sleep quality and duration during the prior month. The survey also assessed their symptoms of insomnia, difficulty falling asleep and the number of hours of actual sleep they obtained each night. A subset of the participants was part of an ancillary sleep study based in Chicago and wore activity monitors for three consecutive days - including two weeknigh