How Can Exercise Affect Sleep?

How Can Exercise Affect Sleep?
Over the years, there has been a great deal of research done on the connection between exercise and sleep. Previous research has shown that regular exercise helps improve sleep-related issues and aid in getting enough rest. Insufficient or poor-quality sleep, according to recent studies, may also result in less physical activity the next day. Because of these factors, modern scientists concur that there is a reciprocal relationship between sleep and exercise. In other words, improving your exercise regimen may help you sleep better, while obtaining enough sleep may encourage healthier levels of physical activity throughout the day.

  How Can Exercise Affect Sleep Quality?
The advantages of regular exercise are numerous. These consist of better physical function, a higher quality of life, and a decreased risk of conditions like cancer and diabetes. Certain populations can also benefit from exercise. For instance, pregnant women who regularly exercise are less likely to gain too much weight or experience postpartum depression, and older persons who exercise are less likely to suffer a fall-related injury. For many people, exercising also results in better sleep. Particularly, adults who engage in moderate-to-vigorous exercise can improve the quality of their sleep by speeding up the process of falling asleep and sleeping longer at night. Additionally, engaging in physical exercise might lessen daytime sleepiness and, for some individuals, the need for sleep aids. Indirectly, exercise might also enhance sleep. For instance, engaging in moderate-to-vigorous physical exercise can lower the risk of excessive weight gain, which therefore reduces the likelihood of developing obstructive sleep apnea symptoms (OSA). Obesity has been implicated in about 60% of instances of moderate to severe OSA3 to date.

  Numerous studies have looked into how much adults sleep and exercise. These include the 2003 Sleep in America poll by the National Sleep Foundation, which polled persons aged 55 to 84. About 52% of the respondents to that study claimed to exercise three times a week or more, whereas 24% claimed to exercise less frequently. The latter group of respondents had a higher likelihood of sleeping less than six hours every night, having fair or poor sleep quality, having trouble falling asleep and staying asleep, and having a sleep problem such as insomnia, sleep apnea, or restless legs syndrome diagnosed.
Similar findings were obtained from the 2013 Sleep in America study, which polled persons between the ages of 23 and 60 and focused on "Exercise and Sleep." Approximately 76–83% of respondents who exercised lightly, moderately, or vigorously said their sleep was very excellent or decent. When compared to individuals who did not exercise, this percentage fell to 56%. Additionally, those who exercised were more likely to sleep longer than necessary during the workweek. The effects of exercise on participants in different demographic categories have been the subject of similar research and surveys. One study4 that examined college students during their exam periods discovered that physical activity and exercise helped lessen test-related stress. For older persons who live in communities, sleep and exercise are "dynamically related"5, according to another study. In addition, a third trial discovered that regular, primarily aerobic exercise decreased symptoms in OSA6 sufferers even when there was no weight loss. Manual work employment might not be as effective at treating sleep issues as exercise. This is due, in part, to the fact that many physically demanding jobs frequently cause musculoskeletal aches and pains that can interfere with sleep. Long hours spent performing manual labor might also put workers at risk for stress and tiredness. It may be advantageous to find the best mattress for your sleep preferences and body type if manual labor or strenuous exercise have a negative impact on your ability to get a good night's sleep. This will help reduce pain or speed up recovery.
Is Working Out Right Before Bed Bad?

It has been extensively contested throughout the years whether exercising right before bed affects the quality of your sleep. According to conventional sleep hygiene, engaging in vigorous exercise during the three hours before bed might have a detrimental effect on your ability to fall asleep since it can raise your body temperature, heart rate, and adrenaline levels. However, some research have found that working out before night may not have any unfavorable impacts. 

Accordingg to one study, most people who exercise after 8 p.m. or later11 fall asleep easily, get enough deep sleep, and wake up feeling rested. Similar percentages were observed by those who exercised between 4 and 8 p.m., indicating that some people may benefit from late-night activity. Similar findings from other investigations were obtained. In one, people who exercised in the evening reported less stage 1 (or light) sleep and more rapid eye movement sleep with greater latency compared to the control group. Researchers also discovered that a higher core temperature, which can happen after strenuous exercise, was linked to less efficient sleep and spending more time awake following sleep onset. Therefore, while working exercise in the hour before bed may not be fundamentally hazardous, it can alter how well you sleep and how much time you sleep overall.

  Nevertheless, according to certain research, the vast majority of people do not exercise an hour before bed. One instance is the 2005 Sleep in America study conducted by the National Sleep Foundation among persons 18 and older. Among these respondents, 4% claimed to work out within an hour before bedtime every night, 7% claimed to do so a few evenings per week, and 5% claimed to work out a few nights per month. The remaining respondents either didn't want to answer or exercised infrequently or never an hour before bed. You should base your exercise timings and intensity on what best suits your sleep routine because survey results among late-night exercisers have been inconsistent. Some workouts could be better for sleep than others. These consist of breathing exercises, yoga, and gentle stretching.
How Does Exercise Affect Sleep?

Less study has been done on the effect sleep plays in our levels of physical activity, and most of it has concentrated on the variations in physical activity between those with sleep problems and healthy people. However, the majority of these research have found that those with healthy sleep cycles are more active than those who don't get enough sleep. Particularly, those who have specific sleep issues are less inclined to work out during the day. Adults who experience insomnia are typically less active than those who don't. 

The same is true for those who suffer from OSA and other sleep breathing disorders, albeit in this demographic, being overweight may also be a contributing factor. According to certain studies, nightly variations in sleep latency, efficiency, and quality can be used to forecast physical activity levels. For instance, one study discovered that a 30-minute delay in the start of sleep was linked to a one-minute reduction in exercise time the following day.
  The preference for morning or evening activities by a person may also be important. As opposed to individuals who sleep in or are more active in the evening, early risers or "morning people" are more likely to engage in physical activity. In fact, several studies have found that exercise may really change someone's preference for the day or even their circadian rhythms over time. Although numerous studies to date have demonstrated a link between regular, high-quality sleep and a healthy level of physical activity, the link between better sleep and more physical activity has not been definitively demonstrated. One series of studies found that, even though continuous positive air pressure (CPAP) therapy, the first-line treatment for OSA, reduced OSA symptoms and improved sleep, it had no discernible impact on a person's level of physical activity after one to six months of treatment. 
Another study looked at the impact of CPAP therapy along with altered eating practices. 
The subjects had successfully changed their eating habits by the time the trial was over, but they had not significantly changed how much they were moving around. The lesson here is that while getting a good night's sleep can make you feel relaxed and more inspired to exercise the next day, it may not be sufficient on its own to cause you to modify how and how often you exercise.

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