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Hormones

Melatonin

Melatonin is the body's primary sleep hormone, and quality sleep is fundamental to men's health, including testosterone production, muscle recovery, and mental sharpness. Monitoring melatonin can help assess your sleep health.

Doctor's Assessment Included

What It Measures

This test measures the concentration of melatonin in your blood. Melatonin is the primary hormone involved in regulating circadian rhythms, with production increasing in darkness and decreasing with light exposure.

Why It Matters

For men, adequate melatonin production is often associated with quality sleep, which supports testosterone levels, recovery, and cognitive function. Understanding your melatonin status may help optimize your sleep-dependent health markers.

When to Test

Testing may be recommended if you experience persistent sleep difficulties, jet lag recovery issues, shift work sleep disorder, or if your healthcare provider suspects a circadian rhythm disorder. Timing of the test is important for accurate results.

Symptoms

Low Levels

Some people with low melatonin may experience difficulty falling asleep, poor sleep quality, daytime fatigue, or mood changes. Low levels are sometimes associated with ageing, excessive light exposure at night, or certain medications.

High Levels

Elevated melatonin levels are uncommon but may be associated with excessive daytime drowsiness, seasonal affective symptoms, or certain rare conditions. Consult your healthcare provider for evaluation of high results.

Lifestyle Tips

Reducing screen time before bed, maintaining a consistent sleep schedule, and ensuring your bedroom is dark may support natural melatonin production. Morning light exposure can help regulate your circadian rhythm. Discuss any supplements with your healthcare provider.

Frequently Asked Questions

What time of day should melatonin be tested?
Melatonin levels vary throughout the day. Testing is typically done at specific times as directed by your healthcare provider, often in the evening or early morning to capture peak production.
Does blue light really affect melatonin production?
Yes, blue light from screens and artificial lighting can suppress melatonin production. Reducing light exposure in the evening may help support your natural sleep-wake cycle.
Can melatonin levels decline with age?
Melatonin production often decreases with age, which may contribute to changes in sleep patterns commonly experienced by older adults. Consult your healthcare provider for guidance.

Tests with related values

These panels measure values from the same category as this marker.

Health Checkups

Men Over 40 Panel

Age-appropriate screening including testosterone and PSA.

HbA1c (Glycated Hemoglobin) PSA (Prostate-Specific Antigen) ALT (Alanine Aminotransferase) TSH (Thyroid Stimulating Hormone) Triglycerides Creatinine Free T4 (Thyroxine) LDL Cholesterol SHBG (Sex Hormone Binding Globulin) Total Cholesterol Vitamin D (25-OH) Free Testosterone Total Testosterone hs-CRP (High Sensitivity CRP) HDL Cholesterol
€279,-
Health Checkups

Complete Men's Health Panel

A broad men's health panel: hormones, heart, metabolic, and organ function in one blood draw.

HbA1c (Glycated Hemoglobin) ALT (Alanine Aminotransferase) TSH (Thyroid Stimulating Hormone) Triglycerides Creatinine Glucose (Fasting) Free T4 (Thyroxine) LDL Cholesterol SHBG (Sex Hormone Binding Globulin) Total Cholesterol Vitamin D (25-OH) Free Testosterone Total Testosterone Ferritin hs-CRP (High Sensitivity CRP) HDL Cholesterol
€289,-

Melatonin

€88,-