Melatonin for Sleep: What Works, What Doesn’t, and What to Know
You might have seen melatonin products at the store or heard someone talk about how well they work. Maybe you already have a bottle near your bed. But do you know what melatonin really does? Do you know how much to use? Are you aware of the benefits of melatonin and if it is good for you?
A lot of people turn to melatonin when they feel desperate for sleep. They have another hard night and then feel tired in the morning again. Melatonin is one of the most common sleep supplements out there. Still, many people feel confused about it. Is it a natural product? Is it safe to use for a long time asper disease control guidelines? Does the dose you take matter? Also, does caffeine stop melatonin from working?
In this post, you will read simple and clear answers based on science about melatonin use. I will talk about the way your body makes its own melatonin. I will also explain what the synthetic melatonin in dietary supplement tablets does. You will find out which type to pick, the right amount to take, and learn about mild side effects that can happen. I will also share a few surprising things most people do not know.
By the end, you will feel ready to decide if melatonin supplements should be a part of your sleep routine.
I will go over the latest medical guidelines about melatonin use too. This includes advice from groups like the American Academy of Sleep Medicine and the National Institutes of Health. These guidelines make it clear when melatonin might help, which doses are good, and times when you may not want to use this sleep medicine. You will get all the info you need to feel safe using melatonin or to know when it is not the best option.
Let us start at the beginning.
What Is Melatonin and Where Does It Come From?
Melatonin is a hormone that your brain makes on its own. Some of it comes from a small part deep in the brain called the pineal gland (but not most of it). The American Academy of Sleep Medicine says melatonin does not make you sleep right away. What it does is send signals to your body to let it know that it is dark outside and that it will soon be time for rest and for the sleep cycle to start. You can think of melatonin as being a bit like dimming the lights in a theater before the show starts.
Your brain starts to make melatonin soon after the sun goes down. It will keep making this all night. Melatonin levels usually get highest a little after midnight. Then these levels slowly drop as morning comes.
The melatonin tablets you get at your local pharmacy are man-made forms of this hormone. They are made in a lab to be much like the melatonin your body makes. When you take a melatonin supplement, you are really increasing the melatonin that is already in your body.
How Much Melatonin Does Your Body Make on Its Own?
Young and middle-aged adults usually have nighttime peak melatonin production levels between 60 and 80 picograms per milliliter (pg/ml). Older adults make less melatonin, often only reaching about 20 pg/ml at night. As people get older, their bodies make less melatonin. This is one reason why sleep quality often gets worse with age.
Young and middle-aged adults often have nighttime peak levels of about 60 to 80 picograms per milliliter (pg/ml). But as people get older, they make much less. In older adults, nighttime peaks are closer to 20 pg/ml. There is a drop in how much is made as you age, and this is one reason why sleep quality often gets worse for older people.
During the day, your body does not make much melatonin. This happens for a reason. Daytime is the time for alertness. Melatonin is not there, so you can stay awake and alert.
The Two Main Types of Melatonin Tablets Explained
Not every melatonin tablet works the same way. When you go to look for these, you will often see that there are two main types.
Immediate-Release Melatonin
This is the most common type. Immediate-release melatonin gets into your bloodstream quite fast. It hits its highest level in your body in about 50 minutes after you take it. The half-life is about 45 minutes. So, half of the melatonin is already out of your body by then. This is even more clear if you take a long time to fall asleep. By morning, almost all of it is gone.
Immediate-release melatonin is often suggested for people who find it hard to fall asleep at night. It can help you get to sleep when you have trouble at the beginning of the night.
Prolonged-Release Melatonin
Prolonged-release melatonin helps people who do shift work. It is good for shift workers who have to wake up at night and find it hard to get back to sleep. This is because the prolonged-release kind keeps melatonin in your body nearly 3 hours at a steady level while you sleep.
If you do not see a sign like CR, XR, or SR on the packaging, then it is probably the immediate-release type. If you are not sure, ask your internal medicine supplier or your doctor. You can also look up the service of the national library of medicine for more help.
What Happens When You Take Prolonged-Release Melatonin Differently?
Research shows something interesting. When you cut or crush a long-lasting melatonin tablet, it changes how the tablet works. It turns into a tablet that releases melatonin right away instead of over time.
This means how you take the tablet is important. If your doctor gave you prolonged-release melatonin for a reason, taking it in a different way changes what you get from it.
How Much Melatonin Should an Adult Take?
This is a topic that many people get wrong when it comes to melatonin and the treatment of insomnia. A lot of people think that taking more melatonin will help more. But the science does not say the same.
For most adults, the highest amount that is useful is 3 mg. Taking more than this does not seem to help you sleep better. The brain can only react to so much melatonin at one time. Taking too much melatonin will not work better.
A Harvard University study showed that a higher dose of 5 mg helped older adults sleep better, with about 15 more minutes of sleep. But, the people in the study did not have sleep difficulties before. For most people who have disrupted or broken sleep, the highest suggested amount is still 3 mg.
Body weight does not really change what your best melatonin dose should be. Most adult brains feel the same effects, no matter what they weigh. So, taking up to 3 mg works for most people instead of changing for each person.
Is Melatonin Addictive or Harmful?
One thing many people ask before they use melatonin for chronic insomnia disorder is if they could become dependent on it. The good news is that, based on science, the answer to this worry is quite reassuring.
Melatonin is not thought to be addictive. It does not act on the same places in the brain as some sleep medicines that can make you feel that you need them. Because of this, you do not need higher doses of melatonin, even if you take it for long periods of time. You can keep using the same amount and still get the same effect.
The Merck Index is known to be a top source for finding out about the toxicity levels in chemicals. The Merck Index does not list melatonin as being toxic. Poison control centers and the people who study this say melatonin is safe if you use it the right way. This is important to know, as there have been more emergency department visits for melatonin ingestions in kids.
Yes, if you take a melatonin supplement, the melatonin levels in your body will go up for a short time. These higher melatonin levels are more than what your body would make itself. But this does not stop your body from making its own melatonin over time.
What Are the Side Effects of Melatonin?
Side effects from low dose melatonin are not very common. But they can happen and it is good for people to know about them.
The biggest worry is that melatonin might mix with some prescription medicines that make you feel drowsy. If you take any medicine that makes you feel drowsy, using melatonin with it can make that sleepy feeling stronger. It is hard to know how much sleepier you could feel. Always talk to your doctor before you start melatonin, especially if you take other prescription medicines often.
Alcohol can be another thing to think about. Alcohol can make you feel drowsy. Because of this, you should not take melatonin if you have had alcohol that night.
Are There Long-Term Side Effects?
A common side effect was headaches, with some people getting them at least once each month.
Almost 90 percent of families in the studies said melatonin use helped with sleep.
This shows that most people can use melatonin for a long time without problems. But, like with any supplement you take for many years, it is smart to keep checking how you feel and stay in touch with your doctor about your melatonin use.
When Should You Take Melatonin Before Bed?
The time you take melatonin is important. The best time to take melatonin depends on why you want to use it in the first place.
For most people who use melatonin to help with sleep, it’s best to take it about 30 minutes before the sleep time you want. This helps the melatonin get to its highest level in your body right when you are ready to fall asleep.
But, for sleep difficulties that come from a body clock that is not in line, the time to take melatonin can change a lot. When this happens, you may need to use melatonin a few hours before you go to bed. Sometimes, you may even need to take it in the morning. It all depends on if you want your sleep time to come earlier or later. This use of melatonin, to help reset the body clock, is a bit different. It is best to do this with help from a doctor.
Can You Take Melatonin Every Night?
Yes. For some sleep issues and sleep problems, the research shows that taking it every night is what helps. If your body clock often doesn’t line up with your regular schedule, and you deal with poor sleep, you may have to use it each night for a few weeks. This step can slowly help move your sleep pattern to a better spot.
For other types of sleep problems, using something for a short time or just in certain situations might be enough. The most important thing is to match the systematic review to the type of sleep issue you have. You should not use the same way for every person.
What Happens When You Mix Melatonin and Caffeine?
This is one of the most surprising things in melatonin research. A lot of people do not expect it.
When you take melatonin and caffeine at the same time, you get higher melatonin levels in your blood. These levels go up more than if you just took melatonin alone. This happens in a way that might surprise people. Coffee beans have one of the highest natural amounts of melatonin in any food. So, when you take both caffeine and melatonin together, your melatonin levels go up even more.
So why doesn’t your morning coffee make you feel sleepy? This happens because the way caffeine keeps you alert is much stronger than the drowsy feeling that comes from melatonin. Caffeine basically takes over the melatonin signal when you drink it in the morning.
Melatonin is not only found in coffee beans. You can also get some melatonin from many seeds, spices, nuts, fruits, and vegetables. Coffee just happens to have more melatonin than most of these other foods.
Is Buying Melatonin Online a Good Idea?
The answer depends on what you are prioritizing.
If you want to save money, melatonin that you buy online usually costs less for each tablet than what you can buy at a pharmacy. But, pharmaceutical-grade melatonin from a healthcare provider is better if you need more regular and correct doses. Studies show that the amount of melatonin in some supplements sold online can be very different from what the label says. This can make it hard to know what you are getting and taking.
For people who use melatonin once in a while, it may be okay to get it online. But for those who take it all the time for a sleep problem, it is worth paying more for a reliable option, like pharmaceutical-grade melatonin. This can help make sure you get the best results.
How Does Melatonin Compare to Other Natural Sleep Supplements?
There are many products out there that say they can help you get better sleep. You will see chamomile tea, magnesium, and lots of herbal mixes. All of these are on the same shelf, and they all want you to pick them.
There is more proof that melatonin works well compared to most other natural sleep supplements. People have used things like chamomile, and magnesium for sleep, etc. But melatonin stands out. The science shows that melatonin helps you fall asleep and get your body’s clock in line. There is stronger and more steady evidence for using melatonin for sleep than the other options.
This does not mean that other supplements do not help. But if you have to pick between them, melatonin still has the most research to show it works as a natural sleep supplement.
How Long Can You Keep Taking Melatonin?
The answer can change. It depends on what you want to use it for.
If you have problems with your circadian rhythm, using the supplement every night for a few weeks can help. This will often be enough time to get your sleep back on track. When your sleep is better, you can stop taking the supplement.
For sleep issues that last a long time, research shows it can be fine to use treatment for many months. But, you should always do this while a doctor is watching your progress to make sure it is safe.
There is not one set amount of time to use melatonin. The length of time you should use it depends on what kind of sleep problem you have. It is a good idea to talk to your doctor about this.
What Types of Sleep Issues Respond Well to Melatonin?
Immediate-release melatonin works best if you have trouble falling asleep at first. This is often called delayed sleep onset. If you practice good sleep hygiene, it can help the melatonin work better for common sleep disturbances. People also use it to reset their body clock if their sleep timing is way off from when they want to sleep.
Prolonged-release melatonin is best if you need help staying asleep through the night. It shows the effectiveness of melatonin in making your sleep better. If you fall asleep fine, but wake up a lot in the early morning and can’t get back to sleep, this type may work well for you. It can also help your mental health.
Jet lag is another reason people use melatonin. Doctors and nurses also use it often in clinical practice. If you take melatonin at the local bedtime in the place you travel to, it can make your quality of life better. It also helps your body get used to the new time zone faster.
A Note on Melatonin for Younger Age Groups
Young people remove melatonin from their bodies quicker than adults. This is important to think about when you look at dosing and how long the effect will last.
For very young people who have sleep difficulties because of how they grow and change, the first thing to try is a behavioral approach. This means working on actions that help with sleep before using any supplement. Most sleep specialists say to use ways that do not involve supplements first if you can.
Conclusion: What the Science Tells Us About Melatonin Tablets
Melatonin supplements are one of the most studied sleep aids for sleep disorders that you can get without a prescription. A lot of research in the journal of clinical sleep medicine shows they work well. But there can be some possible side effects. They are not addictive. Most people feel safe using them. Melatonin works best at a low to medium amount and often helps better than other natural sleep products.
The main points are these. Your body makes melatonin already, and the over-the-counter supplements you can buy give you even more. The immediate-release type helps you fall asleep faster. The prolonged-release type helps you stay asleep longer. A useful dose for most adults is three milligrams. When you take it is important. You need to time it based on your sleep goal.
Side effects do not happen often, but they can still occur, especially if you take melatonin with other things that make you feel sleepy. If you use pharmaceutical-grade melatonin, you get a more consistent dose than what many other online counter supplements can give.
If you want to know if melatonin is good for your health conditions, you should talk with your doctor first about proper administration. He or she can tell you if melatonin supplements will work for you. This blog post is here just to share information and help you learn more. It does not give medical advice. If you have bad or ongoing sleep difficulties, please get help from a professional.
Sleep scientists believe individuals should first try CBT-I Sleep Coaching methods of improving sleep before melatonin.
If you feel like this article is about you, please know you’re not alone. You can get a free 20-minute chat with me. In this call, we will talk about what is happening in your life right now. We will also see if working together is a good fit for you.
References:
Effects of exogenous melatonin on sleep: a meta-analysis
The efficacy and safety of exogenous melatonin for primary sleep disorders. A meta-analysis
Facilitation of benzodiazepine discontinuation by melatonin: a new clinical approach
Insomnia: Pharmacologic Therapy
Melatonin: Pharmacology, Functions and Therapeutic Benefits
The information above is here just for your knowledge. What is in this post is not meant to be medical advice. You should always talk to a doctor before you choose to follow anything you read in this post.