{"id":1718712,"date":"2018-04-01T19:15:20","date_gmt":"2018-04-01T23:15:20","guid":{"rendered":"https:\/\/www.futurity.org\/?p=1718712"},"modified":"2018-03-30T14:59:44","modified_gmt":"2018-03-30T18:59:44","slug":"social-jet-lag-schedule-college-students-1718712","status":"publish","type":"post","link":"https:\/\/www.futurity.org\/social-jet-lag-schedule-college-students-1718712\/","title":{"rendered":"‘Social jet lag’ can lead to lower grades"},"content":{"rendered":"

Students whose circadian rhythms are out of sync with their class schedules may get lower grades due to “social jet lag,” a condition where peak alertness times are at odds with work, school, or other demands, a new study suggests.<\/p>\n

“We found that the majority of students were being jet-lagged by their class times…”<\/p><\/blockquote>\n

For the study, researchers tracked the personal daily online activity profiles of nearly 15,000 college students as they logged into campus servers. After sorting the students into “night owls,” “daytime finches,” and “morning larks”\u2014based on their activities on days they were not in class\u2014researchers compared their class times to their academic outcomes.<\/p>\n

“We found that the majority of students were being jet-lagged by their class times, which correlated very strongly with decreased academic performance,” says study co-lead author Benjamin Smarr, a postdoctoral fellow who studies circadian rhythm disruptions in the lab of psychology professor Lance Kriegsfeld at the University of California, Berkeley.<\/p>\n

In addition to learning deficits, researchers have tied social jet lag to obesity, as well as excessive alcohol and tobacco use.<\/p>\n

On a positive note: “Our research indicates that if a student can structure a consistent schedule in which class days resemble non-class days, they are more likely to achieve academic success,” says study co-lead author Aaron Schirmer, an associate professor of biology at Northeastern Illinois University.<\/p>\n

Watch out, night owls<\/h3>\n

While students of all categories suffered from class-induced jet lag, night owls were especially vulnerable, many appearing so chronically jet-lagged that they were unable to perform optimally at any time of day.<\/p>\n

But it’s not as simple as students just staying up too late, Smarr says.<\/p>\n

“Because owls are later and classes tend to be earlier, this mismatch hits owls the hardest, but we see larks and finches taking later classes and also suffering from the mismatch,” says Smarr. “Different people really do have biologically diverse timing, so there isn’t a one-time-fits-all solution for education.”<\/p>\n

In what is thought to be the largest-ever survey of social jet lag using real-world data, Smarr and Schirmer analyzed the online activity of 14,894 Northeastern Illinois University students as they logged in and out of the campus’s learning management system over two years.<\/p>\n

Does life in a group sync circadian clocks?<\/a><\/h5>\n

To separate the owls from the larks from the finches, and gain a more accurate alertness profile, the researchers tracked students’ activity levels on days that they did not attend a class.<\/p>\n

Out-of-sync schedules<\/h3>\n

Next, they looked at how larks, finches, and owls scheduled their classes during four semesters from 2014 to 2016 and found that about 40 percent were mostly biologically in sync with their class times. As a result, they performed better in class and enjoyed higher GPAs.<\/p>\n

However, 50 percent of the students were taking classes before they were fully alert, and another 10 percent had already peaked by the time their classes started.<\/p>\n

Previous studies have found that older people tend to be active earlier while young adults shift to a later sleep-wake cycle during puberty. Overall, men stay up later than women, and circadian rhythms shift with the seasons based on natural light.<\/p>\n

Finding these patterns reflected in students’ login data spurred researchers to investigate whether digital records might also reflect the biological rhythms underlying people’s behavior.<\/p>\n

The results suggest that “rather than admonish late students to go to bed earlier, in conflict with their biological rhythms, we should work to individualize education so that learning and classes are structured to take advantage of knowing what time of day a given student will be most capable of learning,” Smarr says.<\/p>\n

Light sensor in fly eye offers clues to circadian rhythm<\/a><\/h5>\n

The researchers report their findings in the journal Scientific Reports<\/em><\/a>.<\/p>\n

Source: <\/em>UC Berkeley<\/em><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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