If you’re over 40 and struggling with sleep, you’re not alone.
Many people notice that falling asleep becomes harder, waking up at night is more frequent, and sleep feels less restorative.
One of the most overlooked causes is magnesium deficiency.
Why Sleep Gets Worse After 40
As we age, magnesium levels tend to drop. At the same time, stress and cortisol levels increase, making it harder for the body to relax.
Magnesium plays a key role in:
– calming the nervous system
– regulating melatonin
– reducing nighttime cortisol spikes
Not All Magnesium Is the Same
If you’ve tried magnesium before and it didn’t work, the type matters.
The most effective forms for sleep are:
Magnesium Glycinate
– Highly absorbable
– Calming effect on the brain
– Best overall choice for sleep
Magnesium Threonate
– Supports brain function
– Can improve sleep quality over time
Magnesium Citrate
– Helps with digestion
– Less effective specifically for sleep
How to Take Magnesium for Sleep
– Take it 30–60 minutes before bed
– Start with 200–400mg
– Be consistent for at least 1–2 weeks
Final Thoughts
Magnesium is not a magic pill, but for many people over 40, it’s one of the simplest and most effective ways to improve sleep naturally.
If sleep is a recurring issue, it’s worth testing the right form and dosage.
About the Author
This article was written by the creator of Midlife Health Lab, an independent writer focused on researching and summarizing publicly available evidence related to health and aging after 40. The content is intended for informational purposes only and reflects careful research and personal experience, not medical advice.
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