Why I Used a Rare Spanish Herb to Finally Fix My Chronic Insomnia

Why I Used a Rare Spanish Herb to Finally Fix My Chronic Insomnia

How people over 45 are finally sleeping through the night - by supporting what their body actually needs to stay asleep.

  • By Amy Peacock | Nutrition & Food Scientist, Founder & Formulator Earth's Secret

Published: March 26th, 2026

"If you’re exhausted, sceptical, and tired of sleep aids that never seem to work - I made this video to explain why they failed me… and what finally helped me sleep again."

P.S we are so confident it works, we have a 60-day money-back guarantee

Amy Peacock, Founder Earth's Secret

(4.7/5) Rated by 1,000+

Imagine Falling Asleep & Staying Asleep 

  • No more watching the clock count down to mornin
  • No more lying there with your mind racing
  • No more getting up exhausted, running on three broken hours
  • No more dreading bedtime because you know you'll be awake again

When your body has what it needs to restore itself through the night, something remarkable happens. You wake up and actually feel rested. Not just less tired - genuinely rested. The kind of morning where you lie there for a moment and realise you slept through. All the way through.

 

More energy. Clearer thinking. Better mood. A version of yourself you recognise.

What if your body just needed the right support to stay asleep?

Sleep Complex is an advanced natural supplement specifically formulated for people who wake in the night - not just for people who struggle to fall asleep.

 

Most sleep supplements just DON'T WORK. 

 

Sleep Complex works differently. It supports the systems your body uses to maintain deep, restorative sleep through the night:

  • Your nervous system stays calm instead of activating mid-sleep
  • Your cortisol levels stay low instead of spiking at 3am
  • Your body completes full sleep cycles instead of surfacing every 90 minutes
  • Your brain produces the natural melatonin it needs - without synthetic shortcuts
  • You wake up without grogginess because nothing is sedating you - just supporting you

Better sleep → more restoration → fewer night wakings → you actually feel rested.

SLEEP THROUGH THE NIGHT →

I tested it on myself - here's the actual data

I wore a Whoop sleep tracker to show exactly what happens to sleep quality with and without Sleep Complex.

 

Before - multiple awakenings through the night. Low REM. Broken sleep cycles. Total sleep time cut short by waking and lying there.

 

After 7 nights on Sleep Complex - fewer awakenings. Longer REM cycles. Full 90-minute sleep cycles completing. Total sleep time significantly increased.

 

Key improvements:

  • Total sleep: 5h 23m → 7h 26m
  • REM sleep: 2h 16m → 3h 03m
  • Awakenings: reduced significantly
  • Sleep cycles: completing fully instead of surfacing

AS SEEN IN

SLEEP THROUGH THE NIGHT →

So how does it actually work?

5 Reasons You Can't Sleep (And The Clinical Evidence For Each)

1. Your brain can't switch off at bedtime

A racing mind isn't a willpower issue. It's a chemistry issue - your stress hormones are still activated when they should be winding down. Affron® saffron (28mg) improved sleep quality scores by 24% in 120 adults in 28 days. It works by supporting serotonin, the precursor to melatonin - not by sedating you.  (Lopresti et al. 2021, Phytotherapy Research)

2. Your cortisol spikes at 3am and jolts you awake

Cortisol is supposed to rise in the morning. When it spikes at night - which happens increasingly after 45, it pulls you out of sleep. Lavender improved PSQI sleep scores by 45% in 221 adults with anxiety-related sleep problems, by shifting the nervous system out of fight-or-flight. In midlife women specifically, it improved heart rate variability - the biological marker of a calm nervous system. (Kasper et al. 2010, Chien et al. 2012)

3. You're not getting enough deep sleep

Deep sleep (slow-wave sleep) is where your body repairs. You can spend 8 hours in bed and still wake exhausted if your deep sleep is fragmented. A sleep lab study using polysomnography (brainwave measurement) proved lavender increases slow-wave sleep. A 2023 EEG study confirmed it strengthens sleep spindles and reduces spontaneous arousals. (Goel et al. 2005, Polysomnography 2023)

"I’ve tried everything over the years and nothing stuck. This felt different within days, I felt I had calmer nights, deeper sleep, better mornings. I feel more sharper, patient, and finally rested again. This has changed my quality of life."

-Bronagh M.

Verified Customer

SLEEP THROUGH THE NIGHT →

4. Your body isn't making enough melatonin - and synthetic melatonin makes it worse

Natural melatonin production declines with age. Synthetic melatonin replaces it - but builds dependency, causes grogginess, and doesn't address why your levels dropped. Montmorency Tart Cherry raised melatonin (measured in urine) by 17% in 7 days without synthetic supplementation. Older adults with chronic insomnia gained 84 extra minutes of sleep per night. (Howatson et al. 2012, Pigeon et al. 2010)

5. Most sleep supplements target one problem. Insomnia is five problems at once.

Earth's Secret is the only supplement that covers all five pathways simultaneously - GABA (Passionflower, Chamomile), melatonin (Cherry, Saffron), autonomic nervous system (Lavender), stress axis (Saffron). Each ingredient targets a different mechanism. A herbal combination including Passionflower matched Zolpidem - a prescription sleep drug - in a head-to-head trial. (Maroo et al. 2013)

The Ingredients Behind Our Sleep Capsules

The Science Behind Our Sleep Capsules

Waking in the night isn't something you have to accept. It isn't just getting older. It's your body missing something it needs to stay asleep. Sleep Complex gives it back.

Better quality of life

"I’ve tried everything over the years and nothing stuck. This felt different within days, I felt I had calmer nights, deeper sleep, better mornings. I feel more sharper, patient, and finally rested again.
This has changed my quality of life."

-Bronagh M

Verified Customer

SLEEP THROUGH THE NIGHT →
Vegan capsules packaging with Earth's Secret branding on a white background
Sleep Complex
sleep certificate of analysis
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Woman taking a pill with a text overlay on how to achieve best results.
Promotional image with multiple people using a sleep supplement, featuring text and verified buyer comments.
Sleep Complex - Earth's Secret
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“I hadn’t slept more than 2–3 hours at a time for years. After a week on Sleep, I’m drifting off quicker, staying asleep longer, and waking up human again, with no morning grogginess.”

Dome (Manchester, UK)

4.6/5 (1,980+ reviews)

Sleep Complex

Powered by affron® SAFFRON extract 

Fall & Stay Asleep

Lab Tested 

Calm Mind

Rise Energised 

Our natural, science-backed blend that helps you drift off gently, stay asleep longer, and wake up feeling genuinely restored. Take two capsules an hour before bed. As your nervous system settles, your body transitions into deeper sleep cycles.
Expected delivery Apr 15 - Apr 16

60-day money-back guarantee

“I hadn’t slept more than 2–3 hours at a time for years. After a week on Sleep, I’m drifting off quicker, staying asleep longer, and waking up human again, with no morning grogginess.”

Sarah N. (Verfied Customer)

Who is this for?

Anyone who struggles with falling asleep, staying asleep, or waking up unrefreshed. Ideal for people dealing with nighttime restlessness, an overactive mind, hormonal sleep changes, stress-related insomnia, or anyone who wants a natural alternative to heavy sleep aids.

Ingredients & Science 

Earth’s Secret Sleep uses a 5-ingredient, science-led formula designed to support natural sleep without sedation or next-day grogginess.

 

Affron® Saffron

A clinically studied saffron extract shown to improve sleep quality and support mood and relaxation.

 

Passionflower

Helps calm a busy mind and reduce nighttime restlessness, making it easier to fall asleep.

 

Montmorency Tart Cherry

Supports healthy sleep–wake rhythms and deeper, more consistent sleep.

 

Chamomile

Promotes relaxation and smoother transitions into sleep.

 

Lavender

Encourages calm, restorative rest without causing drowsiness the next day.

 

Each ingredient is included at effective levels and selected to work together - and absolutely ZERO fillers.  

How to use

Take 2 capsules one hour before bed with water. For best results, use consistently - deeper, more stable sleep patterns build naturally over time.

Science & Certifications

Third-party testing
We conduct third-party testing for:
* Heavy metals
* Microbial contaminants
* Ingredient identity and label claims

 

Manufacturing & Certifications
Our products are manufactured in a UK-based, BRCGS-certified and GMP-approved facility, following rigorous quality control and safety procedures.


* GMP certified manufacturing
* BRCGS approved UK facility
* Routine testing for contaminants and purity
* Full traceability across every production run


For best results, use consistently - deeper, more stable sleep patterns build naturally over time.

The Earth's Secret Difference

  • Helps relieve insomnia

    Fall asleep faster, stay asleep longer, and experience fewer night-time awakenings - even if sleep has been a long-term struggle.

  • Reduces anxiety & overactive thoughts

    Calms the nervous system so your mind can finally switch off at night, making it easier to relax into sleep instead of lying awake.

  • Wake up clear & alert

    Better sleep quality means better mornings - no heavy grogginess, no brain fog, just steady, natural energy.

View Supplement Label 

Frequently Asked Questions

Do I take the Sleep Capsules every night?

Yes, we recommend taking two Sleep Capsules every night, about an hour before bedtime, to experience their full benefits. Consistent daily use will help support your natural sleep cycle, promoting restful and rejuvenating sleep.

Will I feel groggy in the morning?

No. Sleep Complex uses natural melatonin from Montmorency Tart Cherry - not synthetic melatonin. There's no heavy, sedated feeling. You wake up naturally, feeling rested.

Where are you based?

All of our products are made in the UK and Northern Ireland. We are based on the border between the South & the North. We ship to the UK via Royal Mail & ship to Ireland with An Post. No custom fees for Ireland.

I fall asleep fine. Will this still help me?

Yes - Sleep Complex was specifically formulated for people who fall asleep fine but wake in the night. The ingredients work to keep you asleep, not just knock you out in the first place.

How does the subscription work?

You’ll receive your products every 30 or 60 days automatically. You save 15% on every subscription order. Plus get free milestone gifts (like a sleep mask or Ashwagandha) in Month 2 & 3. You can pause, skip or cancel anytime from your account.

Can I take the Sleep Capsules while pregnant or breastfeeding?

Our Sleep Capsules contain only natural, high-quality ingredients that are regularly tested for purity. However, we are not medically qualified to advise on their use during pregnancy, breastfeeding, or in combination with other medications. We recommend consulting a healthcare professional for guidance. All ingredients are listed on our website for your reference, and if you have any further questions, please feel free to contact our team.

Can I take the capsules if I am already on medication?

If you are currently on medication or have a medical condition, it's best to consult your healthcare provider before adding any new supplement.

Where do you ship from?

We ship from our Northern Ireland warehouse, we use An Post for International and Royal Mail for UK deliveries.

Do these capsules have any side effects?

The Sleep Capsules are made with natural ingredients and are designed to be gentle, but if you experience any adverse effects, please discontinue use and consult a healthcare professional.

Can these capsules help with chronic insomnia?

The Sleep Capsules are designed to support natural sleep and help you relax. For severe cases of insomnia, we recommend consulting with a healthcare professional.

Is there a money-back guarantee?

Yes, we offer a 60-day money-back guarantee if you are not satisfied with the results.

"As a sleep expert featured on BBC Radio, I've seen countless sleep solutions. Earth's Secret's approach with affron® Saffron is backed by real science. and a truly exceptional product."

Dave Gibson, BBC Radio

clinically studied. independently verified.

Every ingredient in Sleep Complex is backed by published clinical research - so you know exactly what you're putting in your body, and why it works.

Improvement in sleep quality

42%

Reported in a double-blind clinical study on Affron® saffron extract - the hero ingredient in Sleep Complex.

Reduction in nighttime awakenings

67%

Fewer wake-ups reported by participants taking Affron® saffron over a 4-week period.

Improvement in sleep onset time

42%

Participants fell asleep significantly faster compared to placebo in controlled Affron® clinical research.

Reported feeling more rested on waking

74%

User data from verified Sleep Complex customers across the UK and Ireland.

*Results based on a controlled, third-party evaluated clinical study. Individual results may vary.

Everyday Solutions

Sleep Complex

Prescription 

Sedation or distraction

Supporting the body's own sleep systems through the night

Sedation - forces sleep

Does nothing for waking in the night

Specifically formulated for people who wake in the night

Addresses symptoms, not the root cause

Often leaves you groggy 

100% natural - no grogginess, no dependency

Significant grogginess and dependency risk

Varies in cost with no clinical backing

From £29.75 - backed by Affron® clinical research

Prescription required

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