Sleepopolis

For sleepers who share a bed with a partner or prefer a little more legroom, size matters, which is why so many of these folks opt for a king-size bed. However, finding a sheet set that accommodates that extra space can be a challenge, especially if your mattress is particularly tall. Luckily for these shoppers, our team of certified sleep science coaches and product experts narrowed the field to the top five king-sized sheet sets that check all the right boxes.

If there's one thing that can make chilly nights feel more luxurious, it's a great set of flannel sheets. Flannel sheets are soft, fuzzy, and warm in all the right ways, but finding a cozy set that doesn't feel stifling or scratchy can be tricky. Luckily, my team and I have done the heavy lifting, so you don't have to sort through a mountain of plaid to find the perfect fit. My team and I took numerous flannel sheet sets home and tested them on our own beds to assemble this list.

Down pillows are known for their plush, airy feel, with many sleepers being drawn to the softness and malleability. Taken from the tender underbelly of geese or ducks, down is known for being delicate and easy to compress. However, that doesn’t mean these pillows have to lack support. In this roundup, I’ve handpicked five of the best down pillows on the market based on their materials, their care instructions, and how they perform in multiple sleeping positions.

Kenny is a Staff Writer at Sleepopolis. He tests the good, the bad, and the ugly of all things sleep, so you can skip the trial and error and jump straight into a good night's rest. As a Certified Sleep Science Coach, his recommendations and insights on healthy sleep have appeared in various publications, including Livingetc, U.S. News & World Report, and the magazine for mattress brand Avocado. Kenny graduated from William Peace University with a degree in English and a minor in communication.

Mattress Reviewer About Sleepopolis Sleepopolis is a property dedicated to helping people around the world get a better night's sleep. We cover a wide range of sleep and recovery topics, including in-depth reviews on mattresses and other sleep products, sleep industry news and events, and research-focused content on sleep science and wellbeing (which we call Sleep Education). Our goal is to help readers make better, more informed decisions regarding their sleep and rest.

Watching your little ones grow up is a bittersweet experience, especially when they start to grow out of old toys, clothes - and even beds. Not only is this a sign of changing times, but it can be tough on a parent's wallet. This is why many mattress brands have begun to offer dual-side beds that adapt to your child's growth. No need to throw out an old mattress to transfer to a "big kid bed," these mattresses will last well into the tween years.

The Tempur-Pedic brand first started in the 1990s in Sweden, but these memory foam beds quickly become popular around the world, thanks to the Tempur foam included in their construction. This material was first created by NASA in the 1960s to help absorb shock waves, but Tempur-Pedic used Tempur foam to create plush, body-contouring, and pressure relieving memory foam mattresses.

Saatva is a little different than most of the other mattress brands you find online. Unlike other big names on the internet, Saatva doesn't make bed-in-a-box mattresses. Instead, all their models are delivered directly to your door uncompressed. Saatva makes high-quality luxury mattresses that should stand the test of time. They offer innerspring, memory foam, latex, and even air bed options, so most folks should find one that works for them.

Down pillows are typically known for being soft and snuggly, but they can sometimes flatten over time. For a soft down pillow that maintains its structural integrity over time, I recommend the Parachute Home Down Side Sleeper pillow. Filled with European white down, this pillow is luxuriously soft, earning 4.5 stars for its materials. Yet, it's high loft and tall sides make it durable enough to provide excellent support, earning 5 stars for experience.

The Saatva Luxury Flannel Sheet Set earns the title of best king-size sheet set, thanks to its exceptional performance across every testing category. During testing, our product expert gave these sheets multiple 5-star scores, including perfect scores in the fit and materials categories. It also earned an impressive 4 out of 5 in the temperature regulation category. Our product tester put this sheet set through its paces on her tall, king-size mattress at home.