If you haven't been sleeping well or you've been consistently waking up with stiff and aching muscles, then you might need to replace your old mattress.

Thanks to the Internet, it's easier than ever to find a mattress tailored to your specific needs and lifestyle. If you're a stay-at-home parent, busy professional, pro athlete or anyone else in a demanding line of work, there are mattresses specifically designed to help you sleep better and perform better. And if you're all about sustainability and minimizing your carbon footprint? There are certified organic mattresses made with only the finest materials, so you can rest easy while protecting the planet.

To help you get the good night's sleep you deserve, we've rounded up all the best mattress sales happening right now. Keep scrolling to snag your plush new bed and save hundreds of dollars in the process.

Amerisleep

Amerisleep is our go-to retailer for comfortable and cooling mattresses. Score big now and get $450 off any mattress on their site with the code "AS450." You can also snag 30 percent off the Amerisleep Adjustable Bed Base and the Amerisleep Adjustable Bed+ during this sale. If you're not sure where to start, we highly recommend the AS3, which uses plant-based Bio-Pur material to wick warm air away from your body.

Avocado

When in doubt, go green with an all-natural mattress from Avocado. This eco-friendly brand makes its products in California with only the finest nontoxic and certified organic materials. And right now, you can save up to 20 percent (up to $2,200) on mattresses, with the discount automatically applied at checkout. You can also save big on bed frames and adjustable bases, pillows, bedding and mattress toppers.

Awara

Pure comfort without the usual markups? Yes, please! Awara's mattresses are made with premium natural latex, organic New Zealand wool and silky cotton at an affordable price tag. Plus, for every mattress purchase, their nonprofit partner Trees for the Future plants 10 trees in Kenya, Senegal, Uganda or Tanzania. And if you shop their Memorial Day sale now, you can get up to 50 percent off any mattress (even the Premier).

Bear

Bear's innovative mattresses are designed to restore tired muscles and help you recharge. And if you try their advanced technology today, you'll get 35 percent off a new mattress and a free gift with your purchase using code "MEMORIAL." The free gift sleep bundle includes two pillows, one sheet set and one mattress protector for a value of $400.

Big Fig

Have we mentioned how much we love Big Fig mattresses? (Answer: Yes, yes we have.) Designed specifically with fuller figures in mind, these beds are made with three layers of high-density foam and 1,600 pocketed coils for ample back support. And if you visit their site right now, you can save $500 on your new Big Fig mattress.

Birch

We've said it before, and we'll say it again: Birch makes one of the coziest organic mattresses on the market. (Layers of organic cotton, hygroscopic wool and breathable Talalay latex? Yes, please!) Shop their Memorial Day sale this week, and you can get 25 percent off your new mattress and two free Eco-Rest pillows with the code "MEMDAY25."

Brooklyn Bedding

If you're searching for a resort-style sleep experience, then you need to check out Brooklyn Bedding. Right now, you can take 25 percent off sitewide, including the deluxe Sedona Elite Mattress (which pairs premium foam with a high-end coil system). Simply enter the code "MEMORIAL25" to get the discount at checkout.

Casper

Upcoming summer days mean stuffy nights. The good news? Casper's mattresses are equipped with AirScape technology to help circulate the air around you and keep you cool throughout the night. If you're eager to check it out, then shop their Memorial Day sale now. During this time, you can get up to 30 percent off all mattresses and 10 percent off pillows and sheets, as well as savings on pretty much everything else.

Cocoon by Sealy

For that supportive but "not too firm" feel, go with the Chill Memory Foam Mattress from Cocoon by Sealy. You'll love how this mattress adapts and responds to your unique shape for a more personalized sleep experience. And right now, you can get 35 percent off your new mattress, and receive two free memory foam pillows, a sheet set and a mattress protector with your purchase.

DreamCloud

When you hear "DreamCloud," think deluxe — premium memory foam, breathable coils, a cashmere-blend Euro top, etc. But the best part is that during their Memorial Day sale, you can get those materials for up to half of the price. Visit their site to snag up to 50 percent off mattresses, with prices starting at just $349. (Discount is for new customers only.)

Eco Terra

You'll sleep even more soundly at night knowing that your new Eco Terra mattress is free of harsh chemicals and toxins. (And that you got it for an amazing deal instead of paying full price.) Simply head to Eco Terra's site right now and save $400 on your purchase. No code required.

Helix Sleep

If you want to find the perfect mattress for your sleep position, then do yourself a favor and visit Helix. Once you take their Sleep Quiz, you can shop their Memorial Day sale and save big on your purchase. They're offering 25 percent off sitewide right now (no code needed), plus 30 percent off their Luxe and Elite collections with the code "MEMDAY30." Best of all? Every mattress purchase comes with two free Dream Pillows, a 100-night sleep trial, a 15-year warranty and free shipping.

Layla

What makes a Layla mattress so comfortable, you ask? Try copper. Their memory foam mattresses are infused with copper gel, which offers more cushioning, cooling technology and antimicrobial protection than similar products. If you shop their collection now, you can get $200 off the Layla Hybrid Mattress (plus two Layla Pillows for free) or $150 off the Layla Memory Foam Mattress (plus two Layla Pillows for free).

Nectar

If you can't sleep on a cloud, then rest easy knowing that Nectar's five-layer memory foam mattress is a close second. And, to sweeten the deal, if you shop Nectar's sale now, you'll receive up to 40 percent off mattresses if you're a new customer. And, yep! There are even discounts on their other products including bed frames, bedding and more, too.

Nolah

Award-winning sleep awaits at Nolah, and their Memorial Day sale features deals as good as Black Friday ones. Shop their sale now, and you'll get 35 percent off a new mattress plus two free pillows with select mattress purchases. And exclusively for HGTV readers, Nolah is offering an additional $50 off mattresses with code "HGTV50," which can be used on top of the already incredible sale. If you're excited but not sure where to start, try the Nolah Evolution Hybrid Mattress, which was voted 2022's Best Cooling Mattress for Spinal Alignment.

PlushBeds

With a name like "PlushBeds," you just know that their mattresses are going to be luxurious. Shop right now to get up to 50 percent off mattresses, plus a free luxury sheet set, two free plush pillows and a free mattress protector worth $599 with your purchase. You can also snag 25 percent off toppers, pillows and bedding.

Puffy

As if you needed another excuse to check out Puffy, right? Get the luxury hybrid memory foam mattress of your dreams for $750 off (plus two free pillows, one mattress protector and a sheet set) by perusing their Memorial Day sale and using code "MEMORIALDAYSALE." The Puffy Cloud Mattress below uses high-density foam to adjust to the curves of your body and provide enhanced support and stability.

Purple

Purple mattresses are popular for a reason. Their signature GelFlex Grid helps cradle pressure points like your hips and shoulders while keeping the rest of your body comfortably aligned. If that sounds like the support you're looking for, then shop their Memorial Day sale now to get up to $500 off a new mattress and up to $300 off a new smart base with your mattress purchase. You can also score up to 20 percent off select accessories like pillows, sheets, bedding and seating.

Saatva

If there's one thing that you can expect from Saatva, it's a luxurious sleep experience. With its plush Euro pillow top and eco-friendly foams, the Saatva Classic Mattress will make you feel like you're staying in a resort. Take advantage of their Memorial Day sale now, and you'll get up to $600 off your purchase.

Serta

Serta is a household name for a reason. Their mattresses are cooling and supportive, so you can sleep more soundly. Shop their Memorial Day sale now, and you can save up to $900 on select mattresses and adjustable bases. If it were up to us, we'd go with the iComfortECO Foam Mattress, which is incredibly supportive, breathable and pressure-relieving.

Siena Sleep

Thanks to Siena, a dreamy night's sleep is finally within reach. Check out their thoughtfully crafted Memory Foam Mattress now, and score up to 50 percent off during their Memorial Day sale. You'll also receive free shipping, free returns and a 180-night home trial for your new mattress.

Stearns & Foster

Indulge in that special five-star-hotel kind of sleep with a new mattress from Stearns & Foster. During their Memorial Day sale, you can save up to $600 on select mattress models, including those from the Lux Estate Collection. Receive a $200 instant credit when you purchase an Ease Power Base with any mattress using promo code "200GIFT."

Titan Mattress

If you're eager to sleep in pure comfort all night, every night, then treat yourself to a Titan mattress, Brooklyn Bedding's mattress brand for plus-size sleepers. Their plush beds deliver the perfect blend of comfort and support, and they also happen to be 25 percent off right now. Just use the code "MEMORIAL25" at checkout now to get the discount.

Tempur-Pedic

Tempur-Pedic has a reputation for making high-quality, comfortable mattresses (using sustainable production processes to minimize energy consumption and waste, no less). And if you've been waiting to snag one on sale, now is the time to act. Right now, save up to $300 on the TEMPUR-Adapt Collection and $300 on the TEMPUR-Breeze Collection. If you're interested in just a mattress topper, you can snag those for 40 percent off, too.

Tuft & Needle

Tuft & Needle is our go-to retailer for mattresses with foam layers, plush support and antimicrobial protection. And for a limited time, you save up to $700 on all their mattresses, including the bestselling Mint Mattress. With its T&N Adaptive foam and cozy knit cover, the Mint is incredibly comfortable. They're also offering up to 20 percent off bedding and more.

Zoma

Prepare to sleep as soundly as the professional athletes on your favorite team, courtesy of Zoma. Their premium Start Sports Mattress is designed with active lifestyles in mind, and it's said to relieve pain and deliver enhanced rest for better performance. Right now, you can snag your own for $150 off (and get free shipping and returns) with the code "WIN150" at checkout.