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How long does it take to adjust to a new mattress?


So you finally decided to ditch the old mattress and invest in a new one.

First of all, congratulations are in order, because you’re about to experience a whole new level of good sleep.  Surprisingly, many people aren’t aware that poor sleep is often the result of a bad mattress. You, my friend, have just invested your money very wisely.

The team at Sleep Republic have been in the mattress industry for 20 years and can confidently split new mattress customers into one of two groups- the ones that can comfortably sleep on their new mattress from day one, and the ones who require a brief adjustment period.  If you’re in the first group, well done! What are you doing here, go back to sleep!  If you are in the second group, keep reading, we have some great information for you.

Did you know it takes on average three weeks to get used to a new mattress?

It can take anywhere from 3 days up to 6 weeks to get used to the feel of a new mattress.  This is less about the mattress itself, and more due to the body needing time to get used to the new feel.  You know when you get a new pair of shoes, they can be uncomfortable for the first wear or two, but after that they fit like a glove?  This isn’t so much about the shoe softening or stretching, this is your foot adjusting to the shoe.  The exact same thing needs to happen when you buy a new mattress.

Let us guess, your previous mattress was pretty old right?  That means that the foams had softened significantly over time, and the springs got a whole lot less springy. We can bet that it was probably pretty uncomfortable too. The trouble is, your body would be used to something not very comfortable or supportive, so despite the fact that you’re now sleeping on something that is much more supportive, it might not feel that great at first.  You might wake up with a few aches and pains, and the mattress might feel a bit firmer than you were expecting.  Don’t fret!  This is totally normal and happens to a lot of people, particularly if (like us) you were born well before the internet existed.  So fear not, your body will adjust and soon you will be drifting off to dreamland.  In the meantime, we have 3 things we always recommend to assist in getting used to your new mattress.


Does your new mattress have the proper base?  The foundation that supports your mattress is a very important element for both comfort as well as ensuring the longevity of your mattress. For this reason, any curved or flexible type slats are not suitable.  We recommend a solid straight timber slat base.  Gaps between slats should not exceed 8cm – 10cm as gaps exceeding 10cm will not provide adequate support to the mattress.


We know it can be tempting to go back to the familiar when something feels new and different.  But there’s a reason why you got a new mattress!  Resist the urge to switch back to your old mattress if your new one feels too firm at first.  As we mentioned before, your body needs time to adjust, and swapping back and forth between your old mattress and your new one won’t allow that to happen.  It’s completely normal for your body to feel slightly sore the first few nights, similar to after you’ve done a gym workout.


Good things come to those who wait.  We offer a 100 night trial period for a good reason; We know that it takes time to adjust to anything new, and your mattress is no different.  You can sleep on a Sleep Republic mattress every night for three months, and if at the end of that period you decide it’s still not for you, that’s a-okay!  We know that whilst our mattress is the best medium-firm pocket spring mattress on the market, that doesn’t always mean it will suit every single person.  Our free and easy returns mean you can buy it, try it and if you don’t love it, we will arrange collection and donate your mattress to charity and give you a full refund.  No risk to you whatsoever.

Hear What Customers Just Like You Have to Say

If you need some inspiration, we dug through over 1,000 of our 5 star reviews to find customers who (just like you) took a bit of time to adjust to their new mattress and are very happy they stuck it out:

review adjusting to a new mattress