If you’ve ever struggled to fall asleep despite being exhausted, felt restless long after getting into bed, or woken up tense in the middle of the night, your body might be sending a message.
Stress, muscle tension, and poor sleep often share one missing link — a quiet mineral that many people overlook in their daily routine.
Why timing matters more than you think
Magnesium is involved in more than 300 biochemical processes in the human body, from muscle contraction and heart rhythm to energy production and DNA repair.
Yet, according to cardiologist Dr. Aurelio Rojas, taking it at the wrong time could mean missing out on its most powerful benefits.
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While many people take their supplements in the morning, Rojas explains that magnesium’s full potential shows up when it’s taken one to one and a half hours before bedtime.
This timing allows the mineral to activate the parasympathetic nervous system — the part of your body responsible for rest and recovery. In other words, it helps the body power down naturally.
The science of relaxation
Magnesium doesn’t just calm your muscles; it helps calm your mind. One of its main roles is to support the production of GABA (gamma-aminobutyric acid), a neurotransmitter that promotes relaxation and helps the brain transition into sleep mode.
When GABA levels rise, it becomes easier to fall asleep and stay asleep through the night.
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Even more importantly, magnesium helps regulate cortisol, the stress hormone that can spike in the evening for many people.
Elevated cortisol levels are one of the most common causes of nighttime anxiety, restlessness, and poor-quality sleep.
By helping reduce these stress peaks, magnesium supports deeper and more restorative rest.
The benefits of taking it at night
If you often experience muscle cramps, tension, or a racing mind before bed, shifting your magnesium intake could make a real difference.
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The mineral acts as a natural regulator for the nervous system, promoting calm without sedatives or medication.
To make the most of it, doctors recommend:
- Taking magnesium around an hour before bedtime
- Avoiding caffeine or heavy meals near the same time
- Choosing a magnesium glycinate or citrate form, which are more easily absorbed
Regular nighttime intake can improve sleep quality, lower stress, and ease physical discomfort caused by fatigue or anxiety.
It’s a small change that could transform how your body recovers overnight.
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For those who have been taking magnesium in the morning, the solution might be simpler than expected: shift it to the evening and let the mineral do its work while you rest.
Article based on information from Men’s Health Spain
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This article is made and published by Mie Hermansen, who may have used AI in the preparation.