Health and Me

Ishita Roy

Not Boarded Any Flight And Still Monday Feels Like A Jetlag? You Are Not Alone

You Also Have Two Sleep Times: One For Weekdays, One For Weekends? You May Be A Victim Of Social Jetlagged

It is Monday morning and your alarm rings at 6am. You hit snooze at least twice and feel why weekends are so short. A little bit rewind to two days back, Friday night after work, you did some binge watching and slept till noon on Saturday and again woke up late on Sunday. By evening, you finally felt like a human and again in a few hours, Monday came in. Your body, still confused, groggy, and also a slightly resentful. You feel like you are jetlagged even though you have not even boarded a flight. 

This is not laziness or poor discipline, this is social jetlag. Many Indians are living through it. Many of us have two sleep times. One for weekdays and one for the weekends and if you are on a roaster, then your sleeping time adjusts according to your off-days. But the truth is you are not sleeping enough at least for the five days you work and make up for it on your off days. This is what scientists call a <span>social jet lag</span> and it is raising long-term health risks. 

A 2012 study by Till Roenneberg explains that the term 'social jetlag' refers to the mismatch between your biological clock and your social clock. Your biological clock is governed by circadian rhythms, internal processes that decide when you feel sleepy or alert. Your social clock is set by work timings, school schedules, household responsibilities, and social expectations.

Most people sleep earlier and wake up earlier on weekdays because they have to. On weekends, they sleep later and wake up later to recover lost sleep. Researchers describe this as similar to flying across time zones and back every week, except your environment does not change. The sun rises at the same time, but your sleep does not.

Studies suggest that nearly 80 percent of people experience some degree of irregular sleep by shifting sleep times between weekdays and weekends. This pattern has become common due to artificial lighting, late-night screen exposure, and work schedules that are misaligned with natural circadian preferences.

<h2>Modern Life Makes It Worse, Here's Why</h2>

Artificial light has quietly changed how humans interact with night and day. Evening exposure to bright lights from phones, televisions, and laptops delays the body’s internal clock. This makes it harder to fall asleep early, even when you need to wake up early the next morning.

Over time, this weakens the natural cues that tell the body when it is time to rest and when it is time to be active. Researchers note that this effect creates more late chronotypes, people who naturally feel alert later at night. Unfortunately, most school and office schedules still reward early risers.

The result is a repeated pattern of sleep restriction during weekdays and catch-up sleep on weekends. Unlike travel jetlag, which resolves once the body adjusts to a new light-dark cycle, social jetlag does not correct itself. The solar cycle stays the same, while sleep timing keeps shifting back and forth.

Light is the primary driver of <span>circadian rhythm</span>. In the morning, exposure to sunlight tells the brain to stop producing melatonin, the hormone that makes us sleepy so we feel alert and ready for the day. By evening, melatonin production rises, pushing us toward rest. Night shifts turn this cycle upside down. Instead of winding down, the body is forced to stay active at the very hours it is wired for repair and recovery.

This constant mismatch creates what scientists call 'social jetlag. Your body never gets used to it, because it runs on an internal clock and this is why despite working the same shifts for years, you feel confused. 

Data from India paints a worrying picture. A nationwide LocalCircles survey found that 55 percent of Indians get less than six hours of uninterrupted sleep each night. This is an increase from 50 percent the year before, showing that <span>sleep deprivation</span> is getting worse, not better.

Among the reasons cited were late bedtimes combined with early household responsibilities, frequent nighttime awakenings, environmental noise, mosquitoes, and medical conditions like sleep apnea. Even those who spend enough time in bed often experience fragmented sleep.

Wearable sleep data tells a similar story. Fitbit’s global sleep analysis placed Indians as the second most sleep-deprived population after Japan. On average, Indians sleep just over seven hours a night, nearly 50 minutes less than users in the UK and significantly less than Americans. Indians also get the lowest amount of REM sleep globally, a stage critical for memory, emotional regulation, and mental health.

Social jetlag is especially pronounced among adolescents and young adults. Research consistently shows that teenagers naturally shift toward later sleep and wake times due to developmental changes. However, early school start times force them to wake up before their biological clocks are ready.

Late chronotypes accumulate sleep debt during the week and try to repay it on weekends. This pattern has been linked to higher body mass index, metabolic issues, daytime sleepiness, and poorer academic performance. Living against the clock, researchers suggest, may be quietly contributing to the rising burden of obesity and mental health concerns.

In India, academic pressure, coaching classes, screen use, and reduced parental control over sleep schedules only amplify this misalignment.

<h2>Social Jet Lag Is Not Just About Feeling Tired, It Has Grave Health Impact</h2>

Hormones take the first hit. Our body gets confused on how to regulate melatonin, which is a sleep hormone and cortisol, which is the wake up hormone. It also reduces appetite suppressing hormone leptin, while turning up the hunger hormone ghrelin. This is why you feel the midnight munchies. Chronic sleep deprivation could also lead to prediabetics, as increasing sugar cravings make it difficult for people to prioritize healthy eating. 

Studies have associated it with increased risks of obesity, metabolic syndrome, and mental health disorders. It has also been linked to lower productivity, reduced concentration, and mood disturbances.

Addressing social jetlag requires more than sleep tips. Experts suggest later school start times, flexible work hours, reduced evening light exposure, and greater awareness of circadian health. Small changes, like maintaining similar sleep timings on weekdays and weekends, can help, but they cannot fully solve a systemic problem.

Until then, millions of Indians will continue waking up exhausted, wondering why rest feels so elusive.

Health Conditions A-Z

health

social jet lag

sleep deprivation in indians

circadian rhythm

sleep deprivation

managing two sleep times

Indians sleep more on weekends less on weekday

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It is Monday morning and your alarm rings at 6am. You hit snooze at least twice and feel why weekends are so short. A little bit rewind to two days back, Friday night after work, you did some binge watching and slept till noon on Saturday and again woke up late on Sunday. By evening, you finally felt like a human and again in a few hours, Monday came in. Your body, still confused, groggy, and also a slightly resentful. You feel like you are jetlagged even though you have not even boarded a flight. This is not laziness or poor discipline, this is social jetlag. Many Indians are living through it. Many of us have two sleep times. One for weekdays and one for the weekends and if you are on a roaster, then your sleeping time adjusts according to your off-days. But the truth is you are not sleeping enough at least for the five days you work and make up for it on your off days. This is what scientists call a social jet lag and it is raising long-term health risks. What Exactly Is Social Jetlag?A 2012 study by Till Roenneberg explains that the term 'social jetlag' refers to the mismatch between your biological clock and your social clock. Your biological clock is governed by circadian rhythms, internal processes that decide when you feel sleepy or alert. Your social clock is set by work timings, school schedules, household responsibilities, and social expectations.Most people sleep earlier and wake up earlier on weekdays because they have to. On weekends, they sleep later and wake up later to recover lost sleep. Researchers describe this as similar to flying across time zones and back every week, except your environment does not change. The sun rises at the same time, but your sleep does not.Studies suggest that nearly 80 percent of people experience some degree of irregular sleep by shifting sleep times between weekdays and weekends. This pattern has become common due to artificial lighting, late-night screen exposure, and work schedules that are misaligned with natural circadian preferences.Modern Life Makes It Worse, Here's WhyArtificial light has quietly changed how humans interact with night and day. Evening exposure to bright lights from phones, televisions, and laptops delays the body’s internal clock. This makes it harder to fall asleep early, even when you need to wake up early the next morning.Over time, this weakens the natural cues that tell the body when it is time to rest and when it is time to be active. Researchers note that this effect creates more late chronotypes, people who naturally feel alert later at night. Unfortunately, most school and office schedules still reward early risers.The result is a repeated pattern of sleep restriction during weekdays and catch-up sleep on weekends. Unlike travel jetlag, which resolves once the body adjusts to a new light-dark cycle, social jetlag does not correct itself. The solar cycle stays the same, while sleep timing keeps shifting back and forth.Light is the primary driver of circadian rhythm. In the morning, exposure to sunlight tells the brain to stop producing melatonin, the hormone that makes us sleepy so we feel alert and ready for the day. By evening, melatonin production rises, pushing us toward rest. Night shifts turn this cycle upside down. Instead of winding down, the body is forced to stay active at the very hours it is wired for repair and recovery.This constant mismatch creates what scientists call 'social jetlag. Your body never gets used to it, because it runs on an internal clock and this is why despite working the same shifts for years, you feel confused. Indians Are Sleeping Way LessData from India paints a worrying picture. A nationwide LocalCircles survey found that 55 percent of Indians get less than six hours of uninterrupted sleep each night. This is an increase from 50 percent the year before, showing that sleep deprivation is getting worse, not better.Among the reasons cited were late bedtimes combined with early household responsibilities, frequent nighttime awakenings, environmental noise, mosquitoes, and medical conditions like sleep apnea. Even those who spend enough time in bed often experience fragmented sleep.Wearable sleep data tells a similar story. Fitbit’s global sleep analysis placed Indians as the second most sleep-deprived population after Japan. On average, Indians sleep just over seven hours a night, nearly 50 minutes less than users in the UK and significantly less than Americans. Indians also get the lowest amount of REM sleep globally, a stage critical for memory, emotional regulation, and mental health.Social jetlag is especially pronounced among adolescents and young adults. Research consistently shows that teenagers naturally shift toward later sleep and wake times due to developmental changes. However, early school start times force them to wake up before their biological clocks are ready.Late chronotypes accumulate sleep debt during the week and try to repay it on weekends. This pattern has been linked to higher body mass index, metabolic issues, daytime sleepiness, and poorer academic performance. Living against the clock, researchers suggest, may be quietly contributing to the rising burden of obesity and mental health concerns.In India, academic pressure, coaching classes, screen use, and reduced parental control over sleep schedules only amplify this misalignment.Social Jet Lag Is Not Just About Feeling Tired, It Has Grave Health ImpactHormones take the first hit. Our body gets confused on how to regulate melatonin, which is a sleep hormone and cortisol, which is the wake up hormone. It also reduces appetite suppressing hormone leptin, while turning up the hunger hormone ghrelin. This is why you feel the midnight munchies. Chronic sleep deprivation could also lead to prediabetics, as increasing sugar cravings make it difficult for people to prioritize healthy eating. Studies have associated it with increased risks of obesity, metabolic syndrome, and mental health disorders. It has also been linked to lower productivity, reduced concentration, and mood disturbances.Addressing social jetlag requires more than sleep tips. Experts suggest later school start times, flexible work hours, reduced evening light exposure, and greater awareness of circadian health. Small changes, like maintaining similar sleep timings on weekdays and weekends, can help, but they cannot fully solve a systemic problem.Until then, millions of Indians will continue waking up exhausted, wondering why rest feels so elusive.