Human body clocks getting disturbed due to jet lags or work-based shifts can now be prevented. In this study, it was found that doing exercises could shift the human body clock and help you adjust to the shifted schedules.
The study, from Arizona State University, showed that exercise could shift the human body clock with the direction and amount of this effect depending on the time of day or night in which people exercise.
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‘Exercise's effects on the body clock could open up the possibility of using exercise to help counter the negative effects of jet lag and shift work.’
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Exercising at 7 a.m. or between 1 and 4 p.m. advanced the body clock to an earlier time, and exercising between 7 and 10 p.m. delayed the body clock to a later time.
Exercising between 1 and 4 a.m. and at 10 a.m., however, had little effect on the body clock, and the phase-shifting effects of exercise did not differ based on age or gender, the researchers explained.
![Evening Exercise Doesn’t Disrupt Your Sleep: Study]( "Evening Exercise Doesn’t Disrupt Your Sleep: Study")
High-intensity exercise in the early evening does not negatively affect subsequent sleep, and may also reduce feelings of hunger.
"Exercise has been known to cause changes to our body clock. We were able to clearly show in this study when exercise delays the body clock and when it advances it," said lead author Shawn Youngstedt, from the varsity.
"This is the first study to compare exercise's effects on the body clock, and could open up the possibility of using exercise to help counter the negative effects of jet lag and shift work."
The findings, published in The Journal of Physiology, suggest exercise could counter the effects of jet lag, shift work, and other disruptions to the body's internal clock (e.g., military deployments) helping individuals adjust to shifted schedules.
For the study, the team examined body clocks following exercise in 101 participants for up to five-and-a-half days.
The baseline timing of each participant's body clock was determined from urine samples collected every 90 minutes to measure the time of the evening rise in melatonin and the peak of melatonin several hours later.
Source: IANS
Evening Exercise Doesn’t Disrupt Your Sleep: Study
High-intensity exercise in the early evening does not negatively affect subsequent sleep, and may also reduce feelings of hunger.
Advertisement
"Exercise has been known to cause changes to our body clock. We were able to clearly show in this study when exercise delays the body clock and when it advances it," said lead author Shawn Youngstedt, from the varsity.
"This is the first study to compare exercise's effects on the body clock, and could open up the possibility of using exercise to help counter the negative effects of jet lag and shift work."
The findings, published in The Journal of Physiology, suggest exercise could counter the effects of jet lag, shift work, and other disruptions to the body's internal clock (e.g., military deployments) helping individuals adjust to shifted schedules.
For the study, the team examined body clocks following exercise in 101 participants for up to five-and-a-half days.
The baseline timing of each participant's body clock was determined from urine samples collected every 90 minutes to measure the time of the evening rise in melatonin and the peak of melatonin several hours later.
Source: IANS
Exercise Cuts Heart Disease Risk in Older Women
In older women, reductions in sedentary time that were spread throughout the day (instead of occurring all at one time) were also associated with lower risk of cardiovascular diseases including heart attacks and strokes.
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 Exercise Can Shift Your Body Clock Forward: StudyExercise has been known to cause alterations to the human body clock. It could counter the effects of disruptions to the body's internal clock, helping individuals adapt to changed schedules. | Advertisement
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