The Melatonin Myth

Melatonin supplements have become a household name for people struggling with sleep issues, thanks to their promise of being a "natural" solution. However, what many don’t realize is that while melatonin is indeed a hormone produced naturally by the body, supplementing with it may not be as harmless or effective as it seems—especially when used regularly.

What is Melatonin and How Does It Work?

Melatonin is a hormone produced by the pineal gland in the brain, primarily responsible for regulating the sleep-wake cycle, also known as the circadian rhythm. As daylight fades and darkness sets in, your body naturally increases melatonin production, signaling that it’s time for sleep. Conversely, in the morning, light exposure suppresses melatonin production, helping you wake up and stay alert.

Melatonin supplements are often marketed as a quick and natural fix for people who have trouble falling asleep or adjusting to new time zones. They can be useful for short-term situations like jet lag or shift work. However, melatonin supplements don’t actually induce sleep in the same way that a sedative might. Instead, they slightly nudge your body's natural sleep signals, which can be less effective than most people expect.

The Shortfalls of Melatonin Supplements

While melatonin can be effective for some, it comes with several key limitations and risks, particularly when used frequently or in high doses.

1. Interference with the Body’s Natural Production

   Melatonin supplements can interfere with the body’s own ability to produce the hormone naturally. Over time, frequent use may cause the body to rely on the external source, potentially decreasing your ability to produce melatonin on your own. This can lead to long-term sleep issues, even after discontinuing the supplement.

2. Inconsistent Dosages and Quality

   The supplement industry lacks strict regulation, which means melatonin products often contain inconsistent dosages. Studies have found that the actual melatonin content in supplements can range from less than 50% to more than 400% of what the label claims. This inconsistency can make it difficult to find the right dose and avoid side effects.

3. Disrupted Circadian Rhythms

   Taking melatonin at the wrong time or in the wrong dose can throw off your internal clock, causing daytime drowsiness, grogginess, and worse—leading to poor sleep hygiene. Melatonin is most effective when timed precisely to your natural circadian rhythm, which can be hard to determine without guidance from a healthcare provider.

4. Short-Term Effectiveness, Long-Term Problems

   Melatonin is most effective for short-term use in specific situations, like adjusting to a new time zone or managing temporary sleep disturbances. However, when used as a regular sleep aid, its benefits tend to diminish over time. It may become less effective for chronic sleep issues, leading users to increase the dose, further compounding the risks.

5. Side Effects and Interactions

   Although melatonin is generally considered safe for short-term use, side effects such as dizziness, headaches, nausea, and grogginess are common. For some individuals, melatonin can exacerbate symptoms of depression or disrupt their mood. Furthermore, it can interact with medications like blood thinners and immune suppressants, making it unsuitable for certain groups.

Why It’s Time to Consider Non-Hormonal Alternatives

Instead of relying on melatonin supplements, which may create long-term dependency and disrupt natural sleep cycles, it's worth exploring non-hormonal, non-habit-forming alternatives that promote deep, restorative sleep naturally. By using a well-balanced sleep stack and incorporating lifestyle changes, you can optimize sleep without the risks associated with melatonin supplementation.

I’ve included my recommendations below, which I’ve amassed from world-class experts and doctors in the health and wellness industry over the years:

Sleep Stack for Optimal Rest

• Cymbiotika Magnesium L-Threonate

  • Why it works: Magnesium L-threonate is one of the most absorbable forms of magnesium, particularly for the brain. It helps to calm the nervous system and reduce stress, which is essential for falling and staying asleep.

• Thorne Lysine

  • Why it works: Lysine helps reduce stress hormones like cortisol, creating a more relaxed state before bed. It has also been linked to better sleep quality by supporting collagen synthesis and maintaining healthy skin tissue during the repair phase of sleep.

• Thorne Glycine

  • Why it works: Glycine has a calming effect on the brain and body, helping to lower body temperature and promote faster onset of sleep. It also enhances REM sleep, which is essential for cognitive and emotional health.

• Momentous L-Theanine

  • Why it works: L-Theanine is an amino acid found in green tea that promotes relaxation by reducing stress and anxiety without causing drowsiness. It works by increasing levels of calming neurotransmitters like GABA, serotonin, and dopamine.

• Momentous Inositol

  • Why it works: Inositol helps regulate neurotransmitters like serotonin, which plays a critical role in mood and sleep regulation. It is also beneficial for managing anxiety and stress, which are common barriers to restful sleep.

• Momentous Apigenin

  • Why it works: Apigenin is a natural flavonoid found in chamomile that binds to the brain’s GABA receptors, promoting relaxation and sleep

Lifestyle Practices to Enhance Sleep Quality

In addition to using a targeted sleep stack, incorporating the following pre-bedtime habits can help improve sleep hygiene and deepen the quality of your rest:

1. Breathwork

• Incorporating deep breathing exercises such as 4-7-8 breathing (inhale for 4 seconds, hold for 7 seconds, exhale for 8 seconds) can calm the nervous system and reduce heart rate, preparing the body for rest. Spend 5-10 minutes practicing breathwork before bed to shift into a parasympathetic state. Brthwrk is a useful app that seamlessly guides their uses through breathwork exercises.

2. Journaling

• Writing down thoughts and emotions for 5-10 minutes before bed can help clear your mind and reduce mental clutter that might keep you awake. Journaling is particularly effective for those who experience racing thoughts or anxiety at night.

3. Minimize Blue Light Exposure

• Avoid screens (phones, computers, TVs) at least 60 minutes before bed to reduce the disruption of melatonin production caused by blue light. If you must use screens, use blue light blocking glasses or enable night mode on your devices. Along these lines, Ra Optics makes the best blue light blocking glasses on the market. Exposure to natural light in the morning also helps regulate your circadian rhythm, so try to spend time outdoors early in the day.

4. Heat Therapy (Sauna)

• Using a sauna or taking a hot bath 90 minutes before bed can help raise your core body temperature. When you exit the sauna or bath, your body temperature drops rapidly, mimicking the natural cooling that happens before sleep, promoting deeper rest. Saunas also help relieve muscle tension and promote relaxation.

Conclusion: Sustainable Sleep Without Hormonal Interference

While melatonin supplements may offer a temporary solution for sleep struggles, they come with potential risks, especially with long-term use. By focusing on a comprehensive, non-hormonal approach that includes the right nutrients, supplements like magnesium and glycine, and practices like breathwork and minimizing blue light exposure, you can support natural sleep cycles without dependency. This holistic strategy promotes deep, restorative sleep and sets the stage for better mental and physical health over the long term.

—Ryan Roddy | Managing Partner at Seaside Ventures