Sentences with phrase «social jet lag»

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.

In addition, for people who are already on the heavy side, greater social jet lag corresponded to greater body weight.

Social jet lag occurred in all three categories of students, but many night owls had such severe jet lag that they couldn't perform at their best at any time of day, the researchers said.

«With social jet lag, we're forced to eat at times when the body doesn't want to eat, or isn't prepared for digesting food properly,» he says.

In fact, the World Health Organization recently classified «shift work that involves circadian disruption» as a potential cause of cancer, and the consequences of social jet lag and near - narcolepsy extend beyond the usual suspects of car accidents and medical errors:

Why «morningness» might be associated with greater positive emotion in all age groups is related to the concept of «social jet lag» — the idea that people who tend to stay up later for work or play develop sleep patterns that don't mesh well with the typical 9 - to - 5 cycle of work or school.

Unlike what happens in real jet lag, people who suffer from social jet lag never leave their home base and can therefore never adjust to a new light - dark environment... While real jet lag is acute and transient, social jet lag is chronic.

This is the effect of what experts call «social jet lag», that is having different sleep patterns on the weekends than during the work week.

Similar detrimental effects of social jet lag are found in shift work, which Roenneberg calls «one of the most blatant assaults on the body clock in modern society.»

The amount of social jet lag that an individual is exposed to can be quantified as the difference between midsleep on free days and midsleep on work days... Over 40 percent of the Central European population suffers from social jet lag of two hours or more, and the internal time of over 15 percent is three hours or more out of synch with external time.

Such patterns of insufficient and irregular sleep have been associated with various health problems and have been termed «social jet lag».»

This year he described the increasingly common phenomenon of «social jet lag,» experienced by those who sleep short on workdays, then stay up later but sleep longer on weekends.

According to Roenneberg, a third of the population in his database suffers from two or more hours of social jet lag, and 69 percent reported at least one hour of social jet lag.

But this social jet lag poses some serious health and mental health risks: new research finds that for teenagers, even a short period of sleep restriction could, over the long - term, raise their risk for depression and addiction.

In addition to learning deficits, social jet lag has been tied to obesity and excessive alcohol and tobacco use.

Students whose circadian rhythms were out of sync with their class schedules — say, night owls taking early morning courses — received lower grades due to «social jet lag,» a condition in which peak alertness times are at odds with work, school or other demands.

Their findings, published today in the journal Scientific Reports, show that students whose circadian rhythms were out of sync with their class schedules — say, night owls taking early morning courses — received lower grades due to «social jet lag,» a condition in which peak alertness times are at odds with work, school or other demands.

They then constructed a mathematical model that gauged how well biological factors, such as age, gender, sleep duration, and social jet lag could predict body weight.

However, social jet lag was not a good predictor for people with normal body weights, the team reports online today in Current Biology.

On weekends, late bedtimes and late wake times become even more extreme, contributing to the phenomenon termed «social jet lag» and exacerbating sleepiness on school days.

And to keep your circadian rhythms on track, avoid sneaky sleep - disrupters like blue light before bedtime (which suppresses the normal rise of melatonin), caffeine overload, and social jet lag (i.e., losing sleep during the week and sleeping late on weekends).

«Particularly if you travel frequently or suffer from «social jet lag» (that is, sleeping significantly longer on weekends, then trying to get back in sync for the week), your body becomes set to awaken later and has trouble getting to sleep at night.»

This may have been due to what the researchers called «social jet lag,» which refers to a person's times of peak alertness being at odds with school, work or other schedules.

This creates what is known as «social jet lag.»

Researchers in Europe have coined the term «social jet lag» to describe the all - too common practice of following a different sleep schedule on weekdays versus the weekend.

Social jet lag may be harmful in the same way, says David J. Earnest, Ph.D., a neurobiologist and body - clock expert at the Texas A&M Health Science Center College of Medicine, in Bryan.

Most people experience at least some social jet lag.

Some of the proposed explanations for the link between shift work and obesity, such as irregular meal times and metabolism disruptions at the cellular level, may help explain the social jet lag findings as well, Roenneberg says.