gut health and sleep

The surprising link between gut health and sleep

We all love a good snooze, right?! But it can be difficult to get a good night’s sleep, however good we are with our sleep routines! Here’s how to unlock restful nights based on the intricate connection between gut health and sleep.

In the pursuit of a good night’s sleep, many of us don’t know the profound impact that gut health can have on sleep quality.

In fact, growing evidence shows a strong link between the microbiome – the community of trillions of microorganisms in our digestive system – and our sleep quality.

A healthy gut microbiome plays a pivotal role in the synthesis of neurotransmitters like serotonin and melatonin. These neurotransmitters are both critical for regulating your sleep-wake cycles.

When the microbiome is imbalanced, it can lead to disruptions in these neurotransmitter levels, contributing to insomnia and restless nights.

Furthermore, an unhealthy gut can trigger inflammation, releasing cytokines that may interfere with sleep by disrupting circadian rhythms. This inflammation can also compromise the blood-brain barrier, allowing harmful substances to reach the brain and disturb its functions, including those related to sleep regulation.

To promote better sleep, studies show that incorporating probiotics and prebiotics into your diet can have a positive effect on sleep quality.

Fermented foods, high-fiber vegetables, and supplements can enhance the diversity of your gut bacteria. A diverse microbiome creates an optimal environment for health and well-being.

  1. Interconnectedness: Good sleep and the gut microbiome are linked. Studies show that good sleep keeps the gut microbiome healthy, and an overgrowth of certain bacteria can lead to sleep disturbances.
  2. Microbiome diversity and sleep: Increased microbiome diversity is linked with more sleep and better sleep quality. This means that feeding the gut microbes well could lead to less sleep issues and improved mood.
  3. Hormonal influence: Sleep quality exerts a profound influence on gut health. Low-quality sleep can disrupt the balance of gut bacteria due to insufficient suppression of cortisol, the stress hormone

These surprising facts highlight the intricate relationship between good sleep and the gut microbiome, emphasizing the importance of maintaining both for overall health and well-being.

Other features you might like:

  • Gut feelings: Your microbiome and mood

    Gut feelings: Your microbiome and mood

    The surprising link between your microbiome and mood Did you know there is a close connection between your gut microbiome and your mood? It turns out that the secrets to your emotional well-being may well lie within your microbiome. The microbiome refers to the trillions of microorganisms that live in and on your body, including…

  • The human skin microbiome – Q&A

    The human skin microbiome – Q&A

    Your questions answered about the human skin microbiome Welcome to our health blog where we dive deep into the fascinating world of the human skin microbiome! Have you ever pondered why your skin behaves the way it does? Or perhaps you’re curious about the role of the skin microbiome in conditions like acne, eczema, or…

  • The skin microbiome: Unlocking the secrets of healthy skin  

    The skin microbiome: Unlocking the secrets of healthy skin  

    Right away in the west of Ireland lies a tiny hamlet called Kraighten. It is situated, alone, at the base of a low hill.

  • Blueberry kefir smoothie

    Blueberry kefir smoothie

    Gut healthy blueberry kefir smoothie with banana

  • What’s the benefit of kefir milk?

    What’s the benefit of kefir milk?

    Discover the benefit of kefir milk Plus 9 top kefir brands We’ve enjoyed the benefit of kefir milk for centuries. But kefir’s recent rise to fame is likely linked to our growing interest in gut health. Because we now know that gut health is essential for both physical and mental well-being. If you don’t want…

  • Discover the power of a skin microbiome test kit

    Discover the power of a skin microbiome test kit

    What a skin microbiome test kit revealed about my best skincare routine Following years of trial and error to find the best skincare routine for my acne and rosacea-prone skin, I was so happy to discover that a skin microbiome test kit could unlock the secrets of my skin, and potentially my best skincare routine.…

  • Probiotics for sleep: 3 tried and tested sleep probiotics

    Probiotics for sleep: 3 tried and tested sleep probiotics

    Probiotics for sleep: 3 tried-and-tested probiotics for better sleep Are you curious about probiotics and their impact on sleep? I know I was! Because research suggests that the trillions of microbes in our gut – called the gut microbiome – can influence sleep patterns and sleep quality, as well as general health. As a result,…

Other resources:

Gut microbiome diversity is associated with sleep physiology in humans – PMC (