Melatonin: sleep, recovery and rhythm
Melatonin is the body’s own sleep hormone, and you notice its effect most clearly when your evening rhythm is off. This article explains what melatonin actually is, why athletes take an interest in it and how to use it sensibly.
Why does melatonin matter to athletes?
A good training session doesn’t save you much if sleep won’t come at night. Anyone who has lain in bed staring at the ceiling after a late workout, or woken far too early before a competition, knows this.
Melatonin is a hormone produced by the pineal gland. The pineal gland is highly sensitive to light. Darkness signals to the body that the day is coming to an end, and melatonin levels rise. Bright light does the opposite: it keeps the brain more alert and can delay falling asleep.
That is why it is recommended to avoid the bright light of the TV, computer screen and mobile phone for at least an hour before bed. The simple truth: when the room is genuinely dark, your body is better able to understand that it’s time to sleep.
For many people, training improves sleep. At the same time, athletes with a high training load can experience the opposite. When the body is under stress, a competition is approaching or a trip takes you to a different time zone, your circadian rhythm can shift. In that case the problem isn’t always laziness or poor discipline. Sometimes the body is simply confused.
How does melatonin work in the body?
Melatonin is not a classic sleeping pill. It shouldn’t be something you take at a random moment when you fancy a quick nap. Rather, it helps the body pick up the bedtime signal more clearly.
A large part of recovery happens during sleep. The body produces growth hormone and proteins that muscles and tissues need. In many body cells, protein production increases and protein breakdown decreases specifically during sleep. When sleep is consistently poor, recovery suffers too.
Melatonin is also found in food. The original article listed tomatoes, cherries, almonds, raspberries, walnuts, flaxseeds and milk. As an interesting observation, studies have described that milk collected late at night may contain more melatonin than milk collected in the morning. Milk collected at night contains up to 25% more tryptophan.
That doesn’t mean evening milk is a miracle remedy. But it does show well how closely light, the circadian rhythm and the body’s internal chemistry are connected.
What does sleep do for recovery?
When you sleep properly, it is easier the next day to train, stick to your eating plan and keep your mood stable. When sleep is broken, everything gets harder. Appetite fluctuates, you have less strength in your workouts and simple things irritate you more.
Honestly, recovery is not just stretching, a protein shake or a relaxed walk. Sleep is the foundation of all of it. Without it, even a well-built training plan remains incomplete.
Melatonin and possible health effects
The original article noted that melatonin use has been linked to several metabolic processes. These claims are worth reading calmly: a supplement does not replace sleep, exercise or a doctor’s advice. At the same time, it makes sense to know in which situations it has been discussed.
- Lower blood pressure
- Lower triglycerides in the blood
- Improved insulin sensitivity and glucose uptake
When else might melatonin help? The original list named several situations in which the sleep-wake rhythm or recovery may play a role.
- It has been proven that melatonin reduces the symptoms of heartburn and reflux disease.
- Reduces training-induced muscle soreness
- Has a protective effect on the brain, reducing the risk of Alzheimer’s
- In delayed and advanced sleep phase syndrome. Melatonin may help people whose natural bedtime is much later or earlier than usual.
- In melatonin deficiency. After the age of thirty-five, the body’s own melatonin production starts to decline. That is also why older people tend to sleep worse.
- To ease depression. In depression, the functioning of the sleep-wake system is disrupted. Often the rhythm has shifted earlier. Melatonin helps regulate the wake rhythm in depression.
These points don’t mean that the solution to every sleep disorder comes in a jar. If a sleep problem is long-lasting, severe or linked to mood, medication or illness, it is worth talking to your family doctor or a specialist.
How to take melatonin sensibly?
With melatonin, timing matters a great deal. Take it only in the evening, before bed. Taking it during the day or for random naps can work against your body’s natural circadian rhythm.
The original article noted that 1-6 mg is optimal for better sleep. If you’re just starting out, it makes sense not to fixate on a big number but to see how your body responds. More doesn’t always mean better sleep.
A practical evening routine helps too. Dim the lights, put the screen away earlier, keep the bedroom cooler, and don’t push your hardest workout late into the evening if you know it winds you up.
The author’s experience was simple: when preparing for competitions, the problem wasn’t falling asleep but waking up too early. In those periods, melatonin helped. This is exactly the situation where the supplement makes the most sense: to help support your rhythm, not to force sleep.
FAQ: melatonin and sleep
Is melatonin a sleeping pill?
Not quite. Melatonin is a sleep hormone that helps the body sense its circadian rhythm. It shouldn’t be taken like an ordinary sleeping pill every time you want to sleep during the day.
Does screen light interfere with melatonin?
It can, yes. Bright light in the evening signals to your body that it’s not yet time for sleep. That’s why cutting back on screens for at least an hour before bed is a simple and useful step.
When can melatonin help the most?
The most logical use is when your sleep rhythm has shifted: travel, competition stress, a bedtime that is too late or too early. With a persistent sleep disorder, it’s worth looking for the cause, not just easing the symptom.
Author: Peep Reinart
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