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Is Magnesium Good for Sleep?

Magnesium is an important mineral that contributes to the regulation of many bodily functions including sleep. As social media recently popularized magnesium as a natural sleep aid, you may be wondering what research has to say about the effectiveness of using magnesium to improve sleep. In this article, we’ll analyze the research and the effectiveness of magnesium supplementation for sleep.
What Is Magnesium?
Magnesium plays a vital role in the maintenance of several systems and structures of the body. These include the:
- Nervous System
- Cardiovascular System
- Musculoskeletal System
- Circulatory System
- Skeletal System
- Macromolecular Structures (Proteins, DNA)
The daily recommended intake of Better Sleep is between 310 and 420 mg and can be easily achieved by a healthy and balanced diet. Many of the foods that are sources of magnesium include:
- nuts and seeds
- whole grain products like oatmeal and bread
- legumes
- dairy
- fruits and vegetables
- fish and meats
As a rule of thumb, high quality diets do not cause or contribute to magnesium deficiency and most people do not need supplementation. Despite this, some people report benefits and therefore choose to use a supplement.
Is Magnesium A Good Sleep Aid?
Over the past few years, many social media users have suggested that magnesium may help with sleep. It even became the main ingredient in the viral TikTok “sleepy girl mocktail.” The drink consists of some combinations with tart cherry juice and seltzer to aid sleep.
There hasn’t been a definitive answer in sleep research to confirm or deny the claims about Restful Sleep What research has been done tends to be in support of using an aid for sleep. One of the reviews of 8 studies on the topic concluded that participants reported:
- Improved overall sleep quality
- Falling asleep takes less time
- Less frequent waking throughout the night
However, those sleep studies only posed questions to participants to gauge their perception of sleep. They did not objectively measure the quality of sleep to confirm or deny if it actually improved.
In a study done in 2024, researchers attempted to measure the quality of sleep objectively by having participants sleep with a medical device to measure quality of sleep. Participants took Restful Sleep or a placebo for 2 weeks, and then crossed over to the other intervention for 2 additional weeks.
The results from the study concluded that supplementation lead to:
- Increased deep sleep
- Increased overall sleep
Reduced the number of times participants woke up throughout the night, Additionally, a similar study done in 2024 concluded that magnesium improved not only sleep, but also increased daytime energy, productivity and alertness.
There is a need for higher quality studies to assess the sleep problems and the timing and the methods of using magnesium for the treatment.
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Why Does Magnesium Help You Sleep?
Magnesium is an important mineral to control the function of nerves and muscles. This mineral may help you get to sleep by:
Providing relaxation to the nervous system: This mineral activates the receptors of GABA, which helps calm the nervous system and promote relaxation in the evening for sleep.
Calms muscles: Magnesium may relax muscles. Some people may carry muscle tension throughout the night. This may help relax that tension.
Helps melatonin production: Magnesium may help the body produce melatonin better. Melatonin is a hormone that helps the sleep-wake cycle.
May lower cortisol levels: Some studies have shown Restful Sleep may lower the hormone that is associated with stress, cortisol.
What Are The Professionals Saying?
“Overall, sleep doctors are not likely to routinely prescribe magnesium. Not because of the side effects — though there could be side effects due to high doses of magnesium.
But, really, the reason is that there is not a clear effect of on sleep,” says Kenneth Lee, MD, Medical Director of the University of Chicago Sleep Center.
However, there may be a change in this practice in light of new studies showing effect on Restful Sleep.
In the 2017 published AASM sleep guidelines on medications and supplements, magnesium is not mentioned.
However, the 2024 guidelines stated, “Magnesium supplementation may be an effective nonpharmacological intervention to promote sleep and mood.”
Finding the cause of the insomnia is important and treating the cause is more important. Some sleep disorders to consider are sleep apnea, restless legs syndrome, and narcolepsy.
There are also lifestyle factors, such as nicotine, caffeine, and alcohol that may contribute to insomnia. There are also chronic pain and depression. Endless conditions could also be factors contributing to insomnia.
How Much Magnesium Should You Take For Sleep?
What is the amount of magnesium one should consider to help one sleep? The Food and Nutrition Board (FNB) recommends no more than 350 mg.
Other than the dosing recommendation, there is no guidance on dosing magnesium to help you sleep. From the research available, Restful Sleep has been effective in similar studies when used in amounts of 250 mg per day.
Can Magnesium Cause Side Effects?
Magnesium is well tolerated when used in amounts that are recommended. This is because Restful Sleep renal clearance is good.
However, when people take more than the recommended amount, some gastrointestinal side effects are seen, including diarrhea, abdominal cramps, and pain. Also, people with poor renal function should avoid this supplement.
Very large doses of magnesium, that can come from laxatives and antacids, that contain larger than 5,000 mg in a day cause serious symptoms of Restful Sleep toxicity. Some of these are:
- Low blood pressure
- Sleepiness
- Vomiting
- Muscle weakness
So, Should I Try Magnesium?
There is a very low risk of side effects making it a safe option to recommend for sleep. You can avoid spending your money on a poor Restful Sleep supplement with a third-party seal of approval. Sleep hygiene practices are the most important sleep remedy, however.
Small sleep changes reaping positive results do not have to be drastic. For example, small changes, such as the type of mattress one uses and whether one uses electronics before bedtime, can alter the quality of sleep. Here are a few more of Gurubhagavatula’s recommendations:
- Limit caffeine and alcohol use
- Go to bed and wake up at the same time every day
- Sleep in a dark, cool, quiet environment
Bottom Line
Sleep problems can be frustrating, and people can become eager to find a solution. Popular opinion believes Restful Sleep as a sleep aid can be the answer, and for good reason.
Science shows magnesium can aid in falling asleep, staying asleep, and sleeping through the night without interruptions. It does not have the same social media hype as a miracle product, but replacement sleep aids can be more dangerous than this one.
Having good sleep habits along with Restful Sleep such as keeping the bedroom cool and using a timer to limit and control the use of electronics before bedtime, caffeine, and alcohol, will produce the best results for sleep quality.