It’s my birthday this month, and this year it’s a biggie. As I’ve approached the Big 50, I’ve been thinking a lot about what I’m grateful for… and how much I have to be grateful for. Maybe I’m starting to show my age, but – after family, friends and loved ones – I’m finding that good health is creeping up to the top of that list.

Good mental and physical health are two things I don’t take for granted, not after years of running a small business, navigating stress, and learning (the hard way) that the body really does keep score. When you’re younger, you think you’re invincible (and sometimes you’re right). So you work the long hours, you pull the all-nighters, you push on through exhaustion, you ignore warning signs, and you treat sleep like an optional extra.

But somewhere around – where are we? 49 years, 11 months and a few days – you realise that health is not a guarantee. It’s a relationship that needs nurturing. And sleep – proper, restorative sleep – is one of the most powerful ways to honour that relationship.

I’ve learned that investing in good sleep is not an indulgence. It’s an investment. It’s the difference between coping and thriving, between fog and clarity, and between simply getting through the day and actually enjoying it.

You need to grab that good sleep whenever you can. And sometimes that’s on a weekend morning.

A couple of weeks ago, I came across a new study from Korea University that found a quiet weekend lie-in may be good for you. The research looked at 40 000 South Korean adults over a period of seven years. It found that weekend catch-up sleep was associated with a 6% reduction in the odds of hypertension, with a slightly greater benefit (6.9%) among people considered physically inactive.

The research team even determined the ideal benchmark for that extra Saturday or Sunday morning snooze: one hour and 27 minutes. If you get that amount of extra sleep, you’d be 9% less likely to have high blood pressure.

It’s a remarkable finding, because for years experts have been warning about the risks of lazy morning lie-ins, cautioning that catching up on missed sleep over the weekend can disrupt the body’s internal clock and trigger adverse health effects.

But as the study author, Dr Nawon Lee, explained: “People should not feel lazy or guilty for sleeping a little longer on the weekend. If they have not been able to get enough sleep during the week, some extra sleep on the weekend may simply be the body’s way of recovering from that sleep loss.”

Those extra 87 minutes are, according to the study, associated with a lower prevalence of high blood pressure. Which is another way of saying that giving your body a little more rest after a demanding week isn’t laziness; it’s recovery.

All things in moderation, of course: keeping a regular sleep schedule is still first prize – and if you’re finding that you want to stay snuggled up in bed all day, that may be an indication of underlying issues (including depression).

But as Dr Lee told The Guardian: “I think moderate weekend catch-up sleep may have a protective effect because, in people who are sleep-deprived during the week, the benefit of compensating for insufficient sleep may outweigh the potential harm from having an irregular sleep schedule.”

Sleep is a pillar of longevity. It affects everything – from mood to immunity, metabolism, cognitive function, and emotional resilience. It’s the quiet architect behind every good day, every clear decision, and every moment of patience, creativity or joy. And as we age, we need sleep even more.

Does it help to have a luxurious Hungarian Goose Down duvet with a matching pillow and mattress topper? Of course it does. The better your bedding, the better your sleep. But the point here isn’t to convince you to browse the Lifson Linen online shop (although I’d be grateful if you did!). The point is that the quality of your sleep directly affects the quality of your health and the quality of your life.

That’s what I’ve learned over my 50 years. And I’m still learning. Every year teaches me something new. Every year softens me in some places and strengthens me in others. Every year reminds me that life is not a race, and that rest is not a weakness.

So this month, as I add another candle to my birthday cake, I’m choosing gratitude and health… and I’m treating myself to the gift of sleep.