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What’s the Biggest Mattress Size?

Lara Vargas

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As parents, it can get difficult to sleep if your children want to cuddle with you. Even the space a king-size bed offers is minimal when sleeping with a partner and a child. If you’re looking for the best mattress to accommodate multiple sleepers, the biggest mattress size is the Alaskan king. Some companies can manufacture customized bed sizes if you need something bigger.

In this article, we will explore the biggest mattress sizes and a couple of others that may fit your sleep needs. We will also discuss the advantages and drawbacks of sharing your bed with family members.

Uncommon Sizes

Uncommon bed sizes are harder to find. You can find these types of beds in specific stores, although your best bet is online.

Split California King Mattress

The split California king mattress is 72 inches by 80 inches. It’s 4 inches narrower than a traditional king mattress, but 5 inches longer to accommodate those taller than 6 feet.

Like the split-king bed, this bed comes as two mattresses so a couple can choose different firmnesses. It also sets clearly defined boundaries of whose side of the bed is whose.

Olympic Queen Mattress

An olympic queen mattress is 6 inches wider than a standard queen, making it 66 inches by 80 inches. It’s for couples who don’t want a big bed but need more room to stretch out.

Alaska King Mattress

The Alaska King is the largest family bed sold without gaining the expenses of a customized mattress. Its dimensions are 108 inches by 108 inches, and it’s big enough to fit three adults comfortably.

You’ll need a three-piece box spring to support the Alaskan king bed. You’ll also need specialized sheets and furniture. Companies that sell this mattress size should have sheets and foundations available for purchase.

This mattress size can be heavy, so lifting and cleaning the bed is a group effort.

Emperor Mattress

The emperor size mattress (or the Wyoming king) is 84 inches by 84 inches. Some manufacturers try selling 78-inch by 78-inch beds as emperor-size beds—we call these small emperor mattresses.

The Emperor king is ideal for a couple with a toddler that sleeps with them regularly and people over 6 feet tall. It offers enough room for a couple and a child to sleep comfortably while spreading out.

This mattress will need specialized sheets and support bases. Companies selling this mattress size should have accessory products available for purchase.

Large Standard Mattress Sizes

Most sleepers are looking for larger mattress sizes to get enough space to sleep comfortably. Not everyone needs to get the biggest mattress size to get quality sleep. Common mattress sizes can offer plenty of room and are readily available online and in most storefronts.

Queen Mattress

Queen mattresses are 60 inches by 80 inches. It’s 12 inches wider and 5 inches longer than a twin bed. While a twin and full-size mattress can only fit one person comfortably, a queen mattress can fit two—perfect for a master or guest room. The extra length offers more legroom and can accommodate taller individuals.

King Mattress

A standard king size mattress’s dimensions are 76 inches by 80 inches, making this bed 22 inches wider and 5 inches longer than a full-size mattress. The king size mattress is best for couples who need room to spread out, or have a child who sleeps with them.

A person buying a king bed will need a large bedroom to accommodate the mattress size plus any additional furniture. You’ll want to plan for at least 3 feet of walking space or the bedroom will feel cramped.

Split King Mattress

Split kings are some of the best mattresses for couples who prefer different mattress firmnesses. It’s essentially two twin XL beds pushed together, which form the measurements of a standard king mattress: 76 inches by 80 inches.

California King Mattress

The California king-size bed measures 72 inches by 84 inches and has enough room for two adults and a child. The California king bed is narrower than a traditional king mattress but is extra long to accommodate people taller than 6 feet.

Custom Sizes

The internet has made it possible to find a company that makes custom-sized mattresses.

For tall people, a specialized mattress company can manufacture a mattress to accommodate those unable to fit on a traditional-size bed.

These mattresses are very expensive, costing around $2200 and $4000. Family-sized beds also require customized furniture and bedding. Often you find customized beds sold alongside appropriate sized bedding and furniture.

Is Co-Sleeping Okay?

For clarity’s sake, co-sleeping (also known as bed-sharing) refers to parents and infants sleeping in the same bed.

In the Middle Ages, it was normal for families to share beds, although these mattresses were large enough to accommodate an entire family, and there wasn’t much room to spread out.

The popularity in bed-sharing waned as families were able to afford separate sleeping spaces for their children, and sleep quality improved.

Despite the discovery that better sleep increased with more sleeping room, within the past two decades, people began to adopt bed sharing habits again. As many as 65 percent of people said they were okay with co-sleeping.

Curiously, bed-sharing rates started rising after public announcements from the American Academy of Pediatrics and U.S. Consumer Safety Products Commission were made concerning bed-sharing and children’s health, safety, and independence.

Bed-sharing Drawbacks

The AAP discourages bed-sharing with an infant to avoid a higher risk of sudden infant syndrome (SIDS), which can occur if the infant is unable to breathe. Removing other bodies from the child’s sleeping space eliminates potential hazards from blocking the baby’s mouth.

Bed-sharing Advantages

Attachment

Some mothers claim sharing their beds strengthens the bond between mother and infant. It’s also been determined infants who sleep in their mother’s beds have lower rates of insecurity. Infants who sleep alone exhibit “clingy” behavior as toddlers and cry more often when left alone.

Parents who bed-share have more parental flexibility—as in, each parent takes on parenting tasks equally. The parents are also more sensitive and responsive to the infant’s needs.

How to Choose the Right Mattress Size?

Depending on your living situation, budget, and sleep needs, you’ll probably prefer one mattress size over another.

A college student living in dorm rooms may decide on a twin mattress over a full-size bed—this provides the opportunity to use bunk beds to conserve space. On the other hand, recently graduated students in their own apartment may choose a full mattress over a queen-size bed to keep expenses low.

FAQs

Are there hotels with mattresses bigger than a king?

Most hotel rooms have full or queen size mattresses. However, you can find hotel rooms with a king-size mattress. Anything larger than a king-size bed may be difficult to find in a hotel room.

What is a double king bedroom in a hotel?

A double king bedroom isn’t a reference to how large the bed is, but how many beds are in the room. In this case, a double king bedroom has two king-size beds in the hotel room. A double queen hotel room has two queen size beds.

Do two twin XL mattresses make a California king mattress?

No, two twin XL beds offer the same sleeping space as a standard king-size mattress. Twin XL mattresses measure 38 inches wide by 80 inches long. Two Twin XL mattresses placed side by side will create a mattress that measures 76 inches wide by 80 inches long, the size of a standard king mattress.

What is an Alaskan King bed?

An Alaskan king size mattress measures 108 inches by 108 inches (9 feet by 9 feet). Although most mattress brands do not offer this large size, it can be ordered online with select retailers. An Alaskan king is the largest mattress size available in the US and is perfect for those over 6.5 feet tall.

What size bed do most couples have?

Most couples sleep on a queen or king-size mattress. A queen size offers each person 30 inches of personal space, while a king offers 38 inches of space per side. Couples who prefer more room to spread out or those who prefer to co-sleep with their children may want to purchase a king size mattress. King size mattresses are also better for individuals who are over 6 feet tall since king beds are 16 inches longer than queen beds.

Conclusion

If you share your bed with your children, you can get a bed big enough to accommodate multiple bodies comfortably. Take precautions when sharing sleeping space with an infant or a younger child. While sleeping with your baby is a great way to strengthen bonds, we suggest transferring the baby to a crib to keep the child safe.

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