Sweet Dreams: How Probiotics Improve Your Sleep and Build Your Bones

We’re living in an age where sleep deprivation is considered normal. Many people are chronically short on sleep and exhausted during the day. Though you probably know skipping screen time before bed will allow your brain to “power down,” you may never have thought a probiotic could help you get a better night’s sleep.

If you don’t already take probiotics, the beneficial bacteria that keep your digestive system in good working order — and build your immunity and your bones –consider adding a probiotic supplement. As we head towards winter and set our clocks back, we also throw our biological clocks out of rhythm.

Instead of asking your doctor for a sleeping pill, which will create unpleasant and unhealthy side effects, choose probiotics, which is a safe, natural way to promote restorative sleep. Probiotics can help to relieve insomnia and get your sleep cycle back on track.

The best news of all: by enabling you to get more sleep probiotics help to build bone, because bone remodeling takes place during sleep. And by reducing the biomarkers for oxidative stress, probiotics boost immunity and aid in the production of B vitamins, two additional keys to strong bones.

Today we’re going to explore how probiotics influence crucial neurotransmitters and hormones that positively affect sleep and bone health: tryptophan, melatonin, serotonin, GABA, and cortisol.

Probiotics Prevent Unscheduled Naps

Nobody wants to be asleep at the wheel, figuratively speaking, during daily life — especially not while at work. Yet many people are just so tired, due to stress, worry, health issues, or a lack of quality sleep.

However, it’s easier to get a good night’s sleep than you might think: the same beneficial microbes that maintain healthy intestinal flora also play a leading role in obtaining superior sleep.

Among many other functions, probiotics produce and regulate a number of neurotransmitters and hormones that affect our sleep. Though this crucial role probiotics play is seldom mentioned, it’s backed by scientific research. In fact, the gut is often referred to as “the second brain.”1

For instance, did you know your gut, and not your brain, determines whether you’re happy? The neurotransmitter serotonin, a mood stabilizer, is primarily produced and regulated by gut bacteria. Therefore, keeping your gut healthy with probiotics is an important way to improve your mood.

Synopsis

The gut is often called “the second brain,” because the health of the gut has a direct effect on the health of the brain — and on how well we sleep. Probiotics, the beneficial bacteria that live in our intestines, affect the major neurotransmitters and hormones that influence sleep: tryptophan, melatonin, serotonin, GABA, and cortisol.

Regain Your Nocturnal Rhythm

Like musical instruments, our bodies need to be finely tuned for optimum functioning. This fine-tuning happens when we maintain balanced biological rhythms. Let’s examine how the following compounds — tryptophan, melatonin, serotonin, GABA, and cortisol — affects sleep.

Tryptophan

Sound sleep begins with the proper production and distribution of tryptophan, an amino acid necessary to synthesize serotonin.2

Tryptophan is also essential for your pineal gland to produce melatonin. The more melatonin circulating through your body, the sleepier you will feel.

Probiotics can increase tryptophan levels, as can almonds, a Foundation Food that’s a bone-rejuvenating powerhouse — and contains tryptophan. Taking a probiotic upon awakening, perhaps with some alkalizing warm water and lemon, will start your day off right.

You can add almonds as an afternoon snack, perhaps in a nut mix that includes magnesium-rich cashews for stress relief, to help maintain elevated tryptophan levels.

Synopsis

Good sleep hygiene begins with the amino acid tryptophan, a precursor for serotonin and melatonin. Probiotics, coupled with almonds, are two great ways to add tryptophan to your daily sleep- and bone-building routine.

Serotonin

Science has proven that our gastrointestinal (GI) tract produces more than 90 percent of the body’s serotonin — and our gut microbes control how much is produced. So our mood and sleep quality and quantity depend on a healthy gut, which in turn depends on beneficial bacteria.3

However, while we need the proper amount of serotonin in our system to regulate mood, an excessive amount will prevent bone formation and increase fracture risk.

This is why SSRI (selective serotonin reuptake inhibitors) are dangerous: by preventing the uptake of serotonin, they keep this neurotransmitter circulating in the body longer than it would without the drug.

Synopsis

Serotonin is the neurotransmitter responsible for a relaxed mind and sound sleep. Drugs such as SSRIs allow too much serotonin to remain in circulation, which can lead to increased fracture risk. Probiotics keep serotonin in balance.

Melatonin

Melatonin is the hormone that helps us fall asleep, and also helps to build bone. Shifting our circadian rhythms, which occurs twice each year when we go on and off Daylight Saving Time, throws our biological clocks out of whack. This wreaks havoc with melatonin production.4

As noted, probiotics boost tryptophan, which converts to the neurotransmitter serotonin. The latter is further metabolized into the hormone melatonin. Daily probiotic supplementation will help to maintain healthy levels of melatonin.

For proper sleep, melatonin levels should be low during the day and high at night. If you’re tired and sleepy during the day, your melatonin levels are reversed due to sleep deprivation.5

Here are some steps to achieve a more restful sleep naturally, which will increase your body’s ability to manufacture and utilize melatonin:

  • Go out in the sun. Most of us work indoors under artificial light and rarely see the natural light of day. Since sunlight inhibits melatonin production, it’s important to get some sun exposure to give your pineal gland (which produces melatonin) a rest, enabling it to work effectively at night when you’re ready for deep sleep.
  • Step away from the screens. Turn off your devices at least one hour before bedtime to allow your brain to power down as well.
  • Sleep in a darkened room. Light disrupts melatonin production.
  • Take your daily probiotic. A multi-strain formula will help produce and regulate sleep-inducing hormones and neurotransmitters.

Synopsis

Modern life disrupts melatonin production. Spending time outdoors during the day, away from screens and artificial light will help regulate melatonin production. Taking a probiotic will also keep melatonin levels high at night, for deep sleep and strong bones.

GABA

GABA is an acronym for gamma-aminobutyric acid, a neurotransmitter responsible for reducing stress by suppressing nerve activity. Savers know that stress is detrimental to bones and overall health.

Probiotics affect our mood, stress levels, and digestion, mediated by the modulatory action of the vagus nerve, (vagus actually means, “to wander”).

When you ingest probiotics, they are connected via the vagus nerve to the rest of your nervous system. The gut connects to your parasympathetic nervous system, which is responsible for keeping your heart rate normal and your muscles relaxed, among many other functions. A healthy gut means a calmer nervous system, better sleep, and stronger bones.6

Synopsis

GABA is responsible for keeping you calm. It’s modulated by the vagus nerve, a direct conduit between the gut and brain. Probiotics help create a healthier gut, which translates into a calmer nervous system, leading to better sleep and stronger bones.

Cortisol

The neurotransmitters and hormones we’ve discussed so far — tryptophan, serotonin, melatonin, and GABA — all have a positive effect on your body when kept in balance. Cortisol, however, is known as the fight-or-flight hormone that, when switched on over the long-term harms your bones and your body. A study on medical students showed that those taking probiotics for only two weeks did not have a salivary cortisol increase, while those who took a placebo did.7.

Cortisol is a steroid naturally produced by the body in response to stress. When stress becomes chronic, cortisol, which is acidifying, damages your bones. There are a number of clues that will alert you if your cortisol levels are too high, and you can read about this fascinating topic in this previous article:

Supplementing with probiotics is an effective way to lower cortisol levels.

Synopsis

Cortisol is a natural steroid our bodies produce when under stress. When cortisol levels remain chronically elevated, however, its acidifying effect deteriorates bones. Studies have shown that probiotics help to lower cortisol levels and maintain an acid/alkaline balance.

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The Best Sleep Aid In Disguise!

While people with sleep disturbances and chronic insomnia often turn to prescription drugs to help them sleep, the Saver solution is a natural, holistic approach to solving this important aspect of bone health and overall health.

References

1 Alper Evrensel et al., “The Gut-Brain Axis: The Missing Link in Depression”, Clin Psychopharmacol Neurosci. 2015 Dec; 13(3): 239–244. Web: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4662178

2 Desbonnet, L., Garrett, L., Clarke, G., Bienenstock, J., & Dinan, T. G. (2008). “The probiotic Bifidobacteria infantis: An assessment of potential antidepressant properties in the rat”. Journal of Psychiatric Research, 43(2), 164-174. Web.https://www.sciencedirect.com/science/article/pii/S0022395608000745?via%3Dihub

3 Yano, JM et al., “Indigenous Bacteria from the Gut Microbiota Regulate Host Serotonin Biosynthesis”. Cell. 2015 Apr 9;161(2):264-76.Web. https://www.ncbi.nlm.nih.gov/pubmed/25860609

4 Nakamaru-Ogiso, E., Miyamoto, H., Hamada, K., Tsukada, K., & Takai, K. (2012). “Novel biochemical manipulation of brain serotonin reveals a role of serotonin in the circadian rhythm of sleep-wake cycles”. European Journal of Neuroscience, 35(11), 1762–1770. Web. https://www.ncbi.nlm.nih.gov/pubmed/22625848

5 Rafael J. Salin-Pascual et al., “The Effect of Total Sleep Deprivation on Plasma Melatonin and Cortisol in Healthy Human Volunteers,” Sleep 1988, 11(4):362-369. Web. https://www.ncbi.nlm.nih.gov/pubmed/3206055

6 Bravo JA, et al. “Ingestion of Lactobacillus strain regulates emotional behavior and central GABA receptor expression in a mouse via the vagus nerve.” Proc Natl Acad Sci U S A. 2011 Sep 20;108(38):16050-5. doi: 10.1073/pnas.1102999108. Epub 2011 Aug 29. Web. https://www.ncbi.nlm.nih.gov/pubmed/21876150

7 Kato-Kataoka, A., Nishida, K., Takada, M., Suda, K., Kawai, M., Shimizu, K., Rokutan, K. (2016). “Fermented milk containing Lactobacillus casei strain Shirota prevents the onset of physical symptoms in medical students under academic examination stress.” Beneficial Microbes, 7(2), 153-156. Web. https://www.ncbi.nlm.nih.gov/pubmed/26689231

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18 comments. Leave Yours Now →
  1. Nicole November 14, 2018, 1:25 pm

    Dear Vivian – Several years ago I signed up to your website & learned so much from your valuable input. I couldn’t thank you enough. Then. suddenly, a couple of months ago your emails stopped for no apparent reason. I already emailed once a couple of weeks ago & never received a response from your Office. Can you please tell me what I need to do to get back on your email list. I can hardly wait. I still don’t now how & why I was dropped.Thank you.

  2. Dee November 14, 2018, 11:52 am

    I’ve been told by a doctor not to waste money on probiotics for general everyday use but to use prebiotics. If I take prebiotics will I get the same bone building benefits and help with sleep as with probiotics?

  3. Helen November 9, 2018, 8:51 pm

    In reply to Trudy (Nov 8), whilst taking a supplement of magnesium and organic calcium, I developed over-frequent bowel movements, insomnia and often had crazy dreams when I did manage to get to sleep. Reluctantly, I ceased taking the supplement, and everything greatly improved. My doctor suggested I was likely having too much magnesium, as these types of symptoms can occur when you are in fact over-dosing by take supplements when you don’t actually need them, because your body is already receiving sufficient from the food you eat.

  4. Helene November 8, 2018, 5:23 pm

    I have tried many of the suggestions for insomnia. Melatonin has the opposite effect on me and keeps me awake. Am taking HPT-5 Trytophan, also magnesium every night. Eat almonds 2 hours before hitting the sack – problems still exist. Am not sleeping without a prescription of Trazodone.

    • Trudy November 8, 2018, 10:38 pm

      Hi Helene,
      I can relate to that as I have the same problem. Like you I have tried – and still do – all the natural remedies, without success.
      The only option for me is a relaxant of which I take a quarter nightly, one hour before ‘trying’ to sleep; sometimes I have to increase it to another quarter tablet if I am still awake at 5am. The nightly magnesium + organic calcium I take daily does not help with my sleeping pattern, unfortunately, but I take it anyway for bone health. I have been doing this for many years. Doctors just give me the ‘normal’ advice: dark curtains, no screen time etc. which I have always followed anyway. I also read in bed every night, have been doing this since my childhood, but it does not help with falling asleep, either. Praying for better sleep!

  5. Beverly Sellers November 8, 2018, 3:53 pm

    Vivian, I read your emails all the time. I also teach exercise twice a week and do yoga two hours a week. I am not the instructor for this class. I have severe insomnia! I’ve had this problem for 15 years. I have used acupunture off and on, have had 15 different perscriptions which my body does not like and have used several different methods of marajuana which my body also doesn’t like. At present I am using a good probiotic 3 times a day as I have had digestive problems……recently I finally found out I am allergic to soy. I also am allergic to dairy and wheat. I am so frustrated! I know the body heals when you sleep and I am not getting sleep…..I go 3-4 days without any. I stay in bed and keep my eyes closed. Body is resting , but that is not the same. I am taking 10 mils of melatonin .The one prescription I was on last…….I was taking 4 sleeping pills…..tore my stomach apart. Do you have any ideas? I welcome any suggestions Thanks! Bev

  6. Gail November 8, 2018, 11:16 am

    Would probiotics also be helpful (or superfluous) for those of us on a whole foods plant based diet?

  7. Susan November 8, 2018, 8:41 am

    Thank you for this informative article, but this product has magnesium stearate added to it to make the manufacturing machines run faster. It is not good for humans to ingest. I’m surprised you are endorsing this product Vivian.

    • Vivian Goldschmidt, MA November 8, 2018, 8:44 am

      Hi Susan,

      I’ve researched the magnesium stearate issue, and I realize that some in the health field have problems with it. But we’re comfortable with it at the Save Institute, and here’s why:

      Magnesium stearate has two equivalents of stearate and one magnesium cation. Stearic acid is the most common of the long-chained fatty acids. It is found in many foods including vegetable and animal oils, beef fat, and cocoa butter. Meat, poultry, fish, eggs, butter, grains, and milk products also contain stearic acid. A person who eats a chocolate bar will ingest hundreds of times more stearic acid than someone taking a dietary supplement with magnesium stearate, which contains minute amounts.

      So basically, the amount of magnesium stearate in any supplement is negligible. Therefore, there’s no need to worry.

  8. Sheila November 8, 2018, 7:46 am

    Hi Vivian
    I am taking antibiotics for urinary tract infection and am confused about when and if I should take probiotics while on the antibiotics or should I start taking probiotics after I finish the antibiotics
    Thank you
    Sheila

    • Vivian Goldschmidt, MA November 8, 2018, 8:42 am

      Hi Sheila,

      I would do both if I were you. 🙂

      • Trudy November 8, 2018, 10:52 pm

        Hi Sheila
        I have been down that track myself a couple of times. I start taking probiotics, a strong one, as soon as I commence with the antibiotics, otherwise you might develop thrush (the good bacteria in your gut get destroyed by the antibiotics), which requires further treatment (canesten). Just make sure that you don’t take the antibiotic and probiotic together/at the same time, but wait approx. 1-2 hours before taking the probiotic. I hope this helps!

  9. Daphna November 8, 2018, 6:27 am

    Please, read
    https://www.scientificamerican.com/article/do-probiotics-really-work/

  10. Lin Fox November 8, 2018, 5:14 am

    I have read that you shouldn’t take probiotics on an empty stomach but with your meals but you say first thing in the morning with warm water?

    • Vivian Goldschmidt, MA November 8, 2018, 8:39 am

      Hi Lin and Helen,

      Taking probiotics with lemon water when you first get up in the morning is only a suggestion. 🙂 The lemon water is alkalizing and helps boost liver function, setting the stage for probiotic absorption and assimilation. But if you prefer to take them with food, between meals, or before bed, that’s fine, too.

    • Helen Venditti November 8, 2018, 5:44 am

      Lin, I’m confused about the proper way to take probiotics also. I always took them after breakfast, but the Save Program said to take them first thing in the morning with lemon water. Hopefully, they will clear up the confusion for us. Helen

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