Miya Pearson
Sleep and exercise have a bidirectional relationship. Working out can improve sleep quality, and getting a good night's sleep can promote healthier physical activity levels during the day. While the exact mechanism of how physical activity improves sleep is not fully understood, studies have shown that moderate-intensity aerobic exercise increases the amount of slow-wave sleep one gets. Additionally, physical activity can help alleviate daytime sleepiness and reduce the need for sleep medications. The timing of exercise is also important, with morning or afternoon workouts potentially providing more benefits to sleep than evening exercises.
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What You'll Learn
- Morning workouts may help you sleep longer at night
- Working out before bed may make it harder to fall asleep
- Exercise can act as a natural sleep aid, reducing insomnia-related hyperarousal
- Working out can improve sleep quality by regulating your body's natural sleep-wake cycle
- Strenuous activity may increase your need for sleep, making it easier to fall asleep
Morning workouts may help you sleep longer at night
Exercising in the morning can also help regulate your body's natural sleep-wake cycle or circadian rhythm. Exposure to bright sunlight during an outdoor morning workout helps facilitate this regulation. Additionally, morning workouts can aid in lowering your blood pressure at night, which further contributes to restorative sleep. A 2021 research review also suggests that physical activity can reduce cortisol levels, thereby improving sleep quality.
While the exact mechanism is not fully understood, studies have shown that moderate aerobic exercise increases the amount of slow-wave sleep you get. This type of exercise can be as simple as a brisk walk or an active yoga class, which can elevate your heart rate and create the biological processes that contribute to better sleep. The effects of aerobic exercise on sleep are comparable to those of sleeping pills, indicating the potential for exercise to be a non-pharmacological treatment for sleep disturbances.
The time of day you choose to work out can impact your sleep. While morning workouts are beneficial, exercising too late in the day can interfere with sleep for some people. Vigorous cardio workouts close to bedtime can raise your body temperature and heart rate, making it challenging to fall asleep. Therefore, it is recommended to finish your evening workout one to two hours before going to sleep to allow your body temperature to drop and for endorphins to leave your system.
Overall, regular physical activity, regardless of the time of day, can offer significant benefits to your sleep quality and overall health. It is important to listen to your body and find an exercise routine that works best for you, as the specific responses to morning or evening workouts may vary from person to person.
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Working out before bed may make it harder to fall asleep
Exercise can act as a natural sleep aid, promoting relaxation and reducing the hyperarousal associated with insomnia. It can also help to stabilize your mood and decompress the mind, a process that is important for transitioning to sleep. A 2021 study found that exercising vigorously for an hour in the evenings might enhance your slow-wave sleep phase, improving overall sleep quality.
However, the conventional wisdom has long been that working out before bed can make it harder to get a good night's rest. This is because aerobic exercise causes the body to release endorphins, creating a level of brain activity that keeps some people awake. Strenuous physical activity can also stimulate your nervous system and raise your heart rate, making it difficult to fall asleep.
But recent studies have challenged this notion, finding that it is possible to exercise close to bedtime without compromising sleep, as long as the workout ends at least an hour before bedtime. In a 2020 study, 12 healthy males did either 30 minutes of moderate-intensity aerobic exercise, 30 minutes of moderate-intensity resistance training, or no exercise at all, with each workout ending 90 minutes before bedtime. The study found that the exercise did not affect the participants' sleep.
Despite these findings, some experts still recommend avoiding strenuous physical activity for at least two hours before getting into bed. Ultimately, the best time to get active is the time that works for you.
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Exercise can act as a natural sleep aid, reducing insomnia-related hyperarousal
Exercise is a natural sleep aid that can help improve sleep quality. It does so by promoting relaxation and reducing insomnia-related hyperarousal. The positive impact of exercise on sleep is comparable to that of sleeping pills, but without the associated side effects or risks of dependence.
Research shows that regular physical activity improves sleep patterns in adults with insomnia and reduces the severity of insomnia and other sleep disorders. Exercise helps regulate the body's natural sleep-wake cycle, known as the circadian rhythm. It raises the core body temperature, which then starts to fall about 30 to 90 minutes after exercising, facilitating sleepiness. This decline in body temperature helps to initiate sleep and can contribute to a deeper, more satisfying night of sleep.
The time of day one chooses to work out can impact sleep. Morning exercise, especially outdoors, helps regulate circadian rhythms due to exposure to bright sunlight. It also contributes to a nighttime decline in blood pressure, which is essential for the body's healing and recovery during deep sleep. Working out in the afternoon or early evening can also be beneficial as muscles are more pliant and work more efficiently due to higher body temperatures. However, vigorous cardio workouts close to bedtime can disrupt sleep due to increased body temperature and heart rate.
The type of exercise also plays a role in improving sleep. Moderate-intensity aerobic exercise, such as brisk walking or active yoga, can be just as effective as more strenuous activities. These types of exercises increase the amount of slow-wave sleep, which is the quietest and most restful phase of sleep, aiding in muscle and bone repair and strengthening the immune system. Additionally, physical activity helps reduce stress and lower the risk of health conditions like diabetes and heart disease, further contributing to improved sleep quality.
Overall, exercise is a powerful tool for enhancing sleep quality and reducing insomnia-related hyperarousal. It promotes relaxation and improves overall well-being, making it an essential component of a healthy lifestyle.
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Working out can improve sleep quality by regulating your body's natural sleep-wake cycle
Exercise has been proven to improve sleep quality and duration. According to the National Sleep Foundation, physical activity helps regulate your body's natural sleep-wake cycle, or circadian rhythm.
The circadian rhythm is the body's internal clock, which regulates the sleep-wake cycle over a 24-hour period. Morning exercise, especially outdoors, helps to reinforce this cycle by exposing individuals to bright sunlight, which is a key factor in regulating the circadian rhythm. Morning workouts have been shown to improve sleep quality, with individuals sleeping more hours each night, experiencing deeper sleep cycles, and spending more time in the restorative stages of sleep.
The timing of exercise is important, as vigorous cardio workouts close to bedtime can disrupt sleep due to increased body temperature and heart rate. However, this does not mean that evening exercises are detrimental to sleep quality. As long as the workout finishes one to two hours before bedtime, allowing the body temperature and heart rate to decrease, evening exercises can still provide sleep benefits.
The type of exercise also plays a role in improving sleep quality. Both low-intensity and moderate-to-vigorous physical activity have been linked to increased non-rapid eye movement (NREM) sleep and decreased rapid eye movement (REM) sleep, resulting in improved overall sleep quality. Additionally, exercises that elevate the heart rate, such as power lifting or an active yoga class, can create the biological processes in the brain and body that contribute to better sleep.
Overall, regular physical activity is an effective way to improve sleep quality and duration, promoting a healthier and more rested lifestyle.
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Strenuous activity may increase your need for sleep, making it easier to fall asleep
Exercise is known to have a positive impact on sleep quality. While the exact mechanism behind this relationship is not fully understood, there are several theories and findings that suggest a link between physical activity and improved sleep.
Firstly, exercise can act as a natural sleep aid by promoting relaxation and reducing hyperarousal associated with insomnia. It helps to regulate the body's natural sleep-wake cycle, known as the circadian rhythm. For instance, morning exercise helps to enhance sleep potential and boost cardiovascular conditioning. Working out in the morning can lead to deeper sleep cycles and more time spent in restorative stages of sleep compared to exercising at other times of the day. This is partly due to the natural drop in blood pressure at night, which aids the body's healing and recovery during deep sleep.
Additionally, exercise raises the body's core temperature, which signals the body clock that it is time to be awake. After 30 to 90 minutes, the body temperature starts to fall, facilitating sleepiness. This decline in body temperature close to bedtime can help individuals stay asleep throughout the night. However, it is important to note that vigorous cardio workouts close to bedtime may disrupt sleep due to the raised body temperature and heart rate. Therefore, it is recommended to finish such workouts one to two hours before going to sleep.
The type of exercise also plays a role in improving sleep quality. While many studies focus on aerobic activity, engaging in any form of exercise that elevates the heart rate, such as power lifting or an active yoga class, can create the biological processes in the brain and body that contribute to better sleep. Additionally, moderate-intensity physical activity has been found to be effective in improving sleep quality, with some studies suggesting that as little as 10 to 20 minutes of light physical activity during the day can lead to a deeper and more satisfying night of sleep.
Furthermore, exercise has been found to alter sleep architecture, leading to increased NREM sleep and decreased REM sleep, as well as longer REM latency. This altered sleep architecture is associated with improved well-being, including increased energy, reduced stress, and enhanced perceived restfulness of sleep.
Overall, while the specific biological mechanisms remain unclear, there is strong evidence to support the claim that strenuous activity can increase the need for sleep and make it easier to fall asleep. The improvement in sleep quality resulting from exercise can have a positive impact on overall health and well-being.
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Frequently asked questions
Working out improves sleep quality by reducing the time it takes to fall asleep and decreasing the amount of time spent awake in bed. It also helps alleviate daytime sleepiness and can reduce the need for sleep medications. Additionally, exercise can improve sleep in indirect ways, such as by decreasing the risk of excessive weight gain, which is associated with a lower likelihood of experiencing symptoms of obstructive sleep apnea (OSA).
According to experts, 30 minutes of moderate aerobic exercise per day is sufficient to improve sleep quality. It is not necessary to engage in vigorous or intense physical activity to achieve better sleep.
The ideal time of day to exercise for optimal sleep may vary from person to person. While some sources suggest that morning exercise may help increase sleep quantity, others indicate that afternoon or evening workouts can also have sleep benefits. It is recommended to experiment with different workout times to determine what works best for you.
