Your face tends to be the first to snitch on you after a night of little to no sleep. And that’s not because your complexion is a big tattle tale.
It’s because our skin health and sleep health are intrinsically intertwined.
We asked dermal clinician and pal of Go-To Yadira Cauchi to explain why good sleep and good skin are so interconnected. And how your PM routine can get the most out of this duo.
What happens to our skin once we fall asleep?
“While you’re asleep, your body switches into repair mode, and your skin uses that time to reset.
This is when barrier recovery kicks in, inflammation starts to calm down, and your skin focuses on renewing itself by replacing older cells with fresher ones. It’s also a key time for tissue repair and collagen support, which is why consistent good sleep can make skin look calmer and more “alive.”
One thing people don’t realise, though, is that your skin actually loses more water overnight, so even though your skin is working hard, you can still wake up feeling a bit dry or tight if your routine isn’t supporting hydration properly.”
Does that mean our sleep health impacts our skin health?
“When sleep habits are inconsistent, or you’re not getting enough quality rest, your body tends to run higher on stress hormones like cortisol. That matters because cortisol drives inflammation, and inflammation = angry skin. This is why poor sleep can flare up breakouts, redness, eczema, and sensitivity.
On top of that, when you’re run down, your skin barrier doesn’t recover as efficiently, so it becomes easier to irritate and harder to keep hydrated. Over time, consistently poor sleep also means your skin spends less time repairing daily damage, which can contribute to dullness, slower healing, and that “tired skin” look even when you’re doing all the right skincare steps.”
Does the quality of our sleep impact how our skin renews overnight?
“Yes, quality matters just as much as quantity.
You can technically get eight hours, but if your sleep is light, broken, or you’re not spending enough time in deeper stages of sleep, your skin doesn’t get the same repair benefits.”
How can our PM skincare routines help us get the most out of the skin’s overnight renewal?
“Your PM skincare routine should be doing two things: calming the skin down and supporting the barrier while it repairs itself. Nighttime isn’t the moment to throw everything at your face and hope for the best. It’s the moment to help your skin recover from the day and lock in hydration, especially because water loss through the skin increases overnight. A supportive night routine is different for every skin.”
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