However, a trial of permanent daylight saving time in 1974 proved so unpopular that it was abandoned after less than a year. In 1986, the duration of daylight saving time was eventually increased from six months to seven months and bills proposing permanent daylight saving time have been also introduced in Congress nearly every year since 2018. Beating the clockIn the study, a team from Stanford Medicine compared three different time policies: permanent standard time, permanent daylight saving time, and the biannual shifting we currently do. Using either permanent standard time or permanent daylight saving time would be healthier. By comparison, permanent daylight saving time would achieve about two-thirds of that same effect.