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Doctor insights on: How Long Before Bed Should I Take Melatonin

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How long does 500 mcg of melatonin take to make you sleepy? Should i take a hour before bed?

How long does 500 mcg of melatonin take to make you sleepy? Should i take a hour before bed?

It is recommended: That you take it about two hours before bedtime. At least. That is what I have found to work best in my practice. Don't take it two hours before bedtime if you are going to be out driving or operating machinery, however. ...Read more

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Dr. Heidi Fowler
684 doctors shared insights

Melatonin (Definition)

Melatonin_is a hormone that helps regulate sleep. Some studies suggest that there is abnormal melatonin production in children with autism and other developmental disorders. Several studies suggest that melatonin may be useful for improving sleep, if ...Read more


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Is it okay to take 1mg of melatonin before bed every night?

Is it okay to take 1mg of melatonin before bed every night?

Yes: there are no known issues with long term use of Melatonin. However, you may want to speak to a physician or a sleep specialist/neurologist to see if there are other reasons for your insomnia that can be corrected without having to be dependent on Melatonin. ...Read more

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Can I take two 1mg melatonin tablets before bed without side effects?

Can I take two 1mg melatonin tablets before bed without side effects?

Melatonin: Yes you can but why do you need to? If you have trouble falling asleep after a busy day it is time to see a Psychologist to decide whether this might be "emotional" or reflect a sleep disorder. ...Read more

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I work shift work and sometimes take melatonin. I also work out a few hours before bed. Is it safe to take Melatonin before a workout in this case?

I work shift work and sometimes take melatonin. I also work out a few hours before bed. Is it safe to take Melatonin before a workout in this case?

Take before sleep: Melatonin is useful to adjust your sleep wake cycle as you do shift work. It also has a sleep-inducing effect. For both these reasons it is probably better and safer to take it closer to your sleep time and not before your workout ...Read more

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Why would a person take melatonin and vitamin B6 before bed?

Depends: Melatonin can help some people feel sleepy before bedtime. Alternatively, it can be used to adjust a person natural brain sleep rhythm. ...Read more

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Is 5mg of melatonin safe to take before bed. I am on atenelol 25mg 2x a day and citalopram hbr 10mg?

Is 5mg of melatonin safe to take before bed. I am on atenelol 25mg 2x a day and citalopram hbr 10mg?

Should be safe: It should be safe to take these together. Be wary of whether it makes you too sleepy- and do not drive if you are too sleepy afterwards. ...Read more

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Is it ok th take Benadryl (diphenhydramine) and 1mg of melatonin before bed without side effects?

Is it ok th take Benadryl (diphenhydramine) and 1mg of melatonin before bed without side effects?

Side effect possible: Benadryl (diphenhydramine) and melatonin could make a purpose MORE tired and sleepy which could translate into being groggy in the morning thought for all practical purposes, 1 mg. of melatonin is an extremely small amount. Then, again, I don't know anything about your build, your weight, other medications you are taking, etc. etc. so perhaps FOR YOU....1 mg. of melatonin is more than what it may sound. ...Read more

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My 12 year old takes 3 mg melatonin. He's been stuffy, coughing and sneezing up a storm. Is it alright to give him the nyquil before bed?

Seen pediatrician?: I don't like Nyquil for kids...nor adults...but especially adolescents. Who made the diagnosis of insomnia in this young lad? And what is the cause of his insomnia? Stress? Big tonsils? Lady trouble? Who prescribed the melatonin and how was 3 mg. chosen? Sleep study? Sounds like he has allergies. If you'd like to chat: www.healthtap.com/drsaghafi ...Read more

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Is it safe to take the following meds before bed zyrtec, (cetirizine) quinapril 5mg, montelukast 10mg and melatonin 1mg?

Sleeper meds: Your list of meds should be reviewed with all of your doctors at every visit. This list seems to be compatible with each other. The need for melatonin coupled with apnea is concerning for incomplete treatment of underlying sleep issues. ? Restless legs syndrome? ...Read more

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Doctor prescribed clonazepam 1mg for anxiety and also told me to take 10mg of melatonin everynite before bed. Is this ok and or safe?

Doctor prescribed clonazepam 1mg for anxiety and also told me to take 10mg of melatonin everynite before bed. Is this ok and or safe?

10 mg Melatonin?: 1mg is a commonly used dose of clonazepam, and is often given at night. I agree with dr. Ali that you might not need both at the same time. The 10mg dose of melatonin seems very high. Physiologic doses of melatonin are around .3mg -- and most adults take 1-3 mg when needed. Even rozerem, (ramelteon) a prescription melatonin receptor agonist, is dosed as 8mg. You might want to re-look at your 10mg dose. ...Read more

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Does taking melatonin before bed actually work to help me sleep?

Does taking melatonin before bed actually work to help me sleep?

Melatonin may: Melatonin may help you sleep. It's not a knock you out kind of pill or hormone. It works best if you take it and lay down in a dark room. It won't work very well if you're up and about in lighted areas. Also it can take two weeks for it to reset your circadian rhythm and must be taken at the same time. ...Read more

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I have a 4yr. Old who is having difficulty falling asleep. My wife and I have tried 125mcg. Of melatonin 1.5 before bed time. Is this safe for him?

Never: Sleeping pills in a child is not good, wise, or healthy. Good sleep hygiene is warranted, a visit t the pediatrician to rule out medical reasons. Your pediatrician may also have some handouts on how to train a child to sleep. But, no to pills. ...Read more

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How long does it take for melatonin 3mg to leave your body?

Does it last long?: That is a great question. To figure out how long a drug or supplement will stay in your body, one needs to know the half life, which can be found online. The half life of melatonin is around 50 minutes. Drugs are usually eliminated after 4-5 times their half life. So most of the melatonin will be gone in 250 minutes, or 4.16 hours. You can divide 3 by 2 5 times to see how the amount decreases. ...Read more

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How long can I take my 1mg melatonin tablets? I've been taking them daily for 2 weeks now so far.

How long can I take my 1mg melatonin tablets?  I've been taking them daily for 2 weeks now so far.

Indefinite: You can take melatonin as long as you need or want to. However, if it's not helping, then why take it? Also, 1 mg dose may not be an adequate dose. I usually start people at 3 or even 5 mg to induce sleep and some actually progress to 10 mg at night. ...Read more

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Have to take lots of melatonin at 5-6pm in order to get to sleep by 9pm, but if woken up it no longer has any effect. Usually sleeping by 4am.

Have to take lots of melatonin at 5-6pm in order to get to sleep by 9pm, but if woken up it no longer has any effect. Usually sleeping by 4am.

IGotCircadianRhythm: If awakened by someone else, or you wake up on your own?Either way,it's best to tuff it out for a few to several days until you get into a better sleep groove. Many people wake up in the middle of the night, especially older people.If listening to the radio doesn't work, best to just get up & read or do whatever.If it gets unbearable,best to seek-out a sleep specialist.But don't bet on drugs. ...Read more

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I take a Melatonin supplement almost every night because I take caffeine for my workouts. Will this cause any long-term health issues? Thanks!

I take a Melatonin supplement almost every night because I take caffeine for my workouts. Will this cause any long-term health issues? Thanks!

Melatonin safe: There are no data that indicates daily use of melatonin in pharmacologic doses to be unsafe. Caffeine, on the other hand, can have neurotoxic effects which may cause health problems long-term. Speak to your nutritionist or physician about this. ...Read more