Fix your mood by day → sleep like a baby by night
Serotonin-Melatonin Connection: The Hidden Link That Controls Your Mood, Energy and Sleep
Serotonin isn’t just the “happy hormone” — it’s also the only raw material your brain uses to make melatonin. Feed this natural chain with the right light, food and habits and you’ll feel calmer and more focused during the day… and fall asleep fast and stay asleep all night. Here’s exactly how it works and what to do today.
The Simple Biology (No PhD required)
  • Morning → bright light → high serotonin = stable mood + sharp focus
  • Evening → darkness → serotonin turns into melatonin = deep, restorative sleep
  • Break the chain (blue light, stress, bad food) → low serotonin → low melatonin → bad mood + bad sleep

5 Daily Habits That Boost the Serotonin → Melatonin Pipeline

Time of Day

Do This

Why it works

Within 30 min of waking

10–30 min bright natural light (or 10 000 lux lamp)

Instantly raises serotonin, sets strong circadian rhythm

Every meal

Protein (eggs, turkey, salmon) + a little carb (oats, sweet potato, fruit)

Tryptophan beats the competition and reaches the brain

Afternoon

5–10 min outside or movement break

Extra serotonin surge, prevents the 3 pm slump

After sunset

All lights warm & dim + no screens 60–90 min before bed

Protects the conversion to melatonin

30 min before bed

Calm ritual: reading, stretching, gratitude

Tells your brain “it’s safe to make melatonin now”




The Foods That Actually Feed the Chain
  • Tryptophan stars:
    turkey, chicken, eggs, pumpkin seeds, walnuts, salmon
  • B-vitamin heroes:
    leafy greens, avocados, legumes, whole grains
  • Magnesium-rich
    spinach, almonds, dark chocolate, bananas
  • Pro trick: always eat tryptophan WITH a small portion of carbs → insulin clears the path straight to the brai
Your 7-Day Serotonin-Melatonin Reset Challenge

Day

One new habit

Expected feel-by-night effect

1

Morning sunlight the second you wake up

Brighter mood by lunch

2

Protein + carb breakfast

No 11 am energy dip

3

No screens after 9 pm (or blue-blockers)

Fall asleep 15–30 min faster

4

Add pumpkin seeds or turkey to lunch

Calmer, steadier afternoon

5

5-minute gratitude journal before bed

Deeper, less fragmented sleep

6

All lights dim & warm after sunset

Strongest melatonin surge of the week

7

Keep everything – this is your new normal

Wake up actually refreshed

Start Fixing the Chain Tonight

Open the curtains tomorrow morning the moment your eyes open — that single habit alone can raise daytime serotonin by 20–30 % for most people.
Many people notice the whole process feels smoother when they gently support the body’s natural day–night rhythm at the same time.

That’s why a simple routine with Stop Stress® Day in the morning and Stop Stress® Night in the evening has become a popular companion:

  • Stop Stress Day® — provides magnesium and selected B-vitamins to support normal psychological and nervous-system function.
  • Stop Stress Night® — combines valerian and hops (on-hold EU claim ID 2680) together with lemon balm (on-hold EU claim ID 2302) for natural evening calm.
Together they help you feel more in sync: steady and positive during the day, deeply relaxed and ready for restorative sleep at night.
Start with just one small habit tomorrow — and if you like, add the Stop Stress® duo to make the new rhythm completely effortless. Thousands already do, and the difference in daily mood and nightly sleep is immediate.

References and Further Reading

Czeisler, C. A. (2013). Perspective: Casting light on sleep deficiency. Nature, 497(7450), S13. Patterson, R., et al. (2020). Magnesium in stress and mood. Nutrients, 12(10), Article 2921. European Commission. (n.d.). EU register on nutrition and health claims. https://food.ec.europa.eu/food-safety/labelling-and-nutrition/nutrition-and-health-claims/eu-register-health-claims_en
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