My husband hasn't taken painkillers in 11 days. I didn't tell him what I put on the bed.

Don't waste your money on grounding sheets until you read what happened to my husband.

Paul has been on the tools for twenty-three years. Concrete, framing, roof work. A body that gave our family a home and three kids' worth of school fees, and by 53 his lower back had had enough. He would come home and lie on the living-room floor for half an hour because he couldn't face the couch.

Mornings were the worst. He'd get out of bed like a man thirty years older. Shuffle to the kettle. Stretch in the doorway. Grimace without noticing. Two panadol with coffee. Start the day.

What we tried.

For four years I watched it. The chiropractor. The osteopath. The new mattress. The new pillow. The stretching programme the doctor printed out that he did for a week and gave up on. The compression shorts. The TENS machine that lived in a drawer. The remedial massage every fortnight. The anti-inflammatory medication that started giving him stomach trouble. The CBD oil from the chemist that we never quite figured out the dose on.

None of it moved the needle. He is a man who does not complain, but I am his wife and I watched him stop fixing things around the house. That, more than the wincing or the panadol bottle on the bench, was how I knew this was actually serious.

The thing I bought without telling him.

Three months ago I ordered a stainless-steel grounding sheet off the back of a podcast I'd listened to. The brand is a small Australian company called Premium Grounding. I didn't tell him. I just put it on the bed.

It goes under the fitted sheet — you genuinely cannot see it. A thin cord plugs into the earth pin of the wall socket. No electricity. No batteries. The thread woven through the fabric is surgical stainless steel, which connects the body to the Earth's natural electrical charge while you sleep — the same charge his body would touch if he were sleeping on the actual ground, which is what every body did for two hundred thousand years before we built houses on concrete slabs.

I figured I had nothing to lose. The 90-night money-back trial meant I could send it back if it did nothing.

Week one.

He slept through the night twice in the first seven days. He noticed. He didn't say anything.

Week two.

He stood up from bed on Saturday morning and walked to the kitchen without the shuffle. I watched him do it. He didn't realise he was doing it.

Week three.

We were driving back from his mum's place and he said — and I am quoting him exactly — "I haven't taken a panadol in eleven days. Is that the bed?"

I told him about the sheet that night.

That was eleven weeks ago. He hasn't taken painkillers since.

What I want to say to other wives.

I do not know exactly what it is doing for him. The people who make it say it reconnects the body to the Earth's natural electrical charge, and there is real research showing that reduces overnight inflammation and improves sleep architecture. What I do know is that I have my husband back.

If you have a husband whose back ache has become the quiet weather of your home — if you have watched the man you married stop fixing things, stop playing with the kids the way he used to, stop being able to pick up grandchildren — try a stainless-steel grounding sheet on the bed. You don't have to tell him. He will work it out on his own.

Premium Grounding backs theirs with a 90-night money-back trial and free worldwide shipping. If it does nothing, send it back. No questions.