BedInABox Tranquillium Mattress Review

Based on Q&A session with our Chief Sleep Science Editor, www.SmartMattressBuy.com

Last updated | December 19, 2024

Smartmattressbuy.com provides objective and unbiased recommendations to help you find the best mattress for you. When you use our links to shop for products, we may earn a commission at no cost to you and in no way affects our editorial independence.

Click to View Model Options +
BedInABox Tranquillium Mattress
Methodology

Methodology

We gather information on mattress industry, product, pricing, customer reviews and financial information from more than 50+ websites daily through our automated “bots” and use advanced data analytics techniques to evaluate and rate mattresses.

update

Updates

Our reviews are updated at least once a week in cases of changes, product releases, and new insights gathered from analyzing our data set.

Format
Format

We present our mattress reviews in a Q&A format with the intent of mirroring the thought process of how customers make mattress purchase decisions

BedInABox Tranquillium Mattress

By Brand: BedInABox
4 out of 5.0
$1569 $1098
           


Product Description

BedInABox Tranquillium® Mattress is designed to deliver good comfort, support, and cooling technology. In this review, we’ll explore its key features and benefits. It will help you decide if it’s the right choice for your sleep needs.

At SmartMattressBuy, previously we have reviewed BedInABox Essential Mattress, BedInABox Original, Eco-Lux Mattress and more!

Keep reading to know if it fits your specific sleep needs! We’ll delve into what makes this mattress unique. We will discuss its materials and benefits!

Q1. What is unique about BedInABox Tranquillium® Mattress? Does it provide superior cooling, comfort, back support, and pressure relief?

Here’s what makes BedInABox Tranquillium® Mattress stand out!

Cooling

  • The mattress features a CoolRest® Gel Memory Foam layer.
  • It prevents heat retention, keeping you cool throughout the night.
  • Its soft knit Tencel™ cover has moisture-wicking properties that further enhance breathability.
  • The mattress is good for hot sleepers who want a temperature-neutral sleeping surface.

Comfort

  • The 3-inch CoolRest® comfort layer adapts to your body.
  • It provides a plush, hugging sensation without compromising on support.
  • The bounce foam transition layer ensures a smooth shift between the plush top and the supportive base.
  • The luxurious Tencel™ cover feels soft against the skin, adding to the cozy sleep experience.

Back Support

  • A 7-inch Sure Align™ High-Density Support Foam layer provides firm support, ensuring proper spinal alignment.
  • The multilayer design gradually builds support. This makes it suitable for all sleeping positions while alleviating stress on the back.
  • It’s specifically crafted to distribute weight evenly and reduce strain on pressure points.

Pressure Relief

  • The CoolRest® Gel Memory Foam contours to your body.
  • It provides relief in key pressure areas like the shoulders, hips, and lower back.
  • The combination of memory foam and transition foam ensures you don’t sink too deeply.
  • This makes the mattress particularly beneficial for side sleepers or those with joint pain.

This makes BedInABox Tranquillium® Mattress a well-rounded choice for cooling, comfort, support, and pressure relief.

Know the best firm mattresses for back pain!

Q2. How firm is this BedInABox Tranquillium® Mattress?

BedInABox Tranquillium ®Mattress is a firm mattress.

Q3. How thick is the BedInABox Tranquillium® Mattress?

BedInABox Tranquillium® Mattress is 12 inches thick.

Q4. Is BedInABox Tranquillium® Mattress Safe?

Yes, BedInABox Tranquillium® Mattress is safe. Here’s why:

CertiPUR-US® Certified

  • The mattress is made with foams that meet CertiPUR-US® standards for safety, emissions, and durability.
  • It is tested to be free from harmful substances like formaldehyde, heavy metals, phthalates, and flame retardants.
  • This ensures that the materials used are safe for you and your family.

OEKO-TEX® Certified

  • The materials in the Tranquillium® mattress have been tested for harmful substances. It is certified to meet strict safety standards.
  • This certification provides additional assurance that the mattress is free from potentially toxic or harmful chemicals.

Eco-Friendly and Non-Toxic

  • The foam layers are designed to be low in VOC (Volatile Organic Compound) emissions.
  • This ensures better indoor air quality.
  • The mattress undergoes rigorous testing for durability and performance.

With these certifications and stringent testing, you can trust that Tranquillium® mattress is safe.

Q5. What sizes are available for BedInABox Tranquillium®Mattress?

The BedInABox Tranquillium® mattress is available in the following sizes:

  • Twin: 38″x75″x12″
  • Twin XL: 38″x80″x12″
  • Full: 54″x75″x12″
  • Queen: 60″x80″x12″
  • King: 76″x80″x12″
  • California King: 72″x84″x12″

These options make it versatile for a wide range of sleeping arrangements.

Q6. Briefly discuss BedInABox Tranquillium® Mattress’s policy on shipping, delivery, risk-free trial, and warranty.

The BedInABox Tranquillium® Mattress offers customer-friendly policies:

Shipping & Delivery:

BedInABox provides free shipping within the contiguous United States. The mattress is compressed and delivered in a convenient box for easy handling.

Risk-Free Trial:

You can enjoy a 120-night risk-free trial to test the mattress in your home. If it doesn’t meet your expectations, you can return it for a refund.

Warranty:

Tranquillium® mattress is backed by an impressive 20-year limited warranty. It ensures long-term support and durability.

Pros & Cons

Pros:

  • Breathable Tencel® cover enhances airflow.
  • Offers good spinal alignment.
  • Constructed with premium-quality memory foam.
  • Tranquillium® mattress provides reliable support for a wide range of sleepers.

Cons:

  • Side sleepers might find the firmness level less comfortable.
  • Edge support is average.

Firmness

Firmness is one of the most critical aspects. It is important to consider when choosing a mattress. It refers to how soft or firm a mattress feels. Firmness plays a significant role in determining comfort, spinal alignment, and overall sleep quality.

The right firmness ensures proper support. It helps to prevent issues such as back pain, joint discomfort, and restless sleep.

A mattress’s primary role is to maintain the natural alignment of the spine. Its firmness affects weight distribution and overall support. For instance, a firmer mattress can provide the necessary support for heavyweight individuals. It enhances sleep quality by minimizing disturbances.

Mattress firmness is typically rated from 1 to 10. 1 represents the softest and 10 the firmest.

Soft mattresses offer a plush, cradling feel and sink under the body’s weight. Medium firmness strikes a balance by supporting spinal alignment while offering moderate contouring.

Medium-firm mattresses provide more support than medium mattresses. It is good for sleepers who prefer a firmer surface without compromising comfort.

Select the correct firmness level. It is essential for achieving restful sleep.

In this BedInABox Tranquillium® Mattress review, we’ll delve deeper into the firmness and performance of the Tranquillium® Mattress!

Curious to know more? Read the mattress firmness guide in detail!

BedInABox Tranquillium® Mattress – Firmness

BedInABox Tranquillium® Mattress is categorized as firm. Let me break down its firmness characteristics in detail:

  • Tranquillium® mattress sits firmly on the firmness scale. It caters to sleepers who prefer a supportive surface.
  • It’s not excessively hard, so you won’t feel like you’re sleeping on a plank, but it does provide a sturdy, supportive foundation.
  • The combination of foam layers ensures that while the mattress is firm, it still contours gently to your body.
  • It is a great choice for sleepers who need proper spinal alignment and pressure relief.
  • The mattress features a 7-inch Sure Align™ High-Density Support Foam layer. It is the backbone of its firmness.
  • This layer provides robust support for your entire body. The support foam layer keeps your spine in its natural alignment.
  • For those who experience back pain or discomfort, this firm support can help alleviate pressure.
  • The 3-inch CoolRest® Gel Memory Foam layer adds a touch of plushness on top. This layer creates a slight “hugging” sensation as it adapts to your body.
  • It prevents the mattress from feeling overly stiff.
  • The 2-inch CoolRest® Bounce foam transition layer ensures a smooth transition.
  • This prevents any jarring change in firmness and maintains an even feel across the mattress.

If you enjoy a structured and supportive sleeping surface, this mattress is ideal for you.

Material & Construction

Q1. What are the unique technology, design, and materials used in the construction of BedInABox Tranquillium® Mattress?

BedInABox Tranquillium® Mattress stands out for its innovative technology. Here’s a detailed breakdown of each layer and what makes it unique:

  1. Smooth Knit Tencel™ Cover
  • Luxurious 420-gram weight circular knit Tencel™ fabric paired with a sleek grey border.
  • This top layer wicks away moisture, ensuring a cool and dry sleep environment.
  • It feels plush and gentle against the skin, enhancing overall comfort.
  • Tencel™ is sustainably sourced, making it an eco-conscious choice.
  • The breathable design promotes airflow, helping you stay cool throughout the night.
  1. 3-Inch CoolRest® Gel Memory Foam (Comfort Layer)
  • High-quality, 3-lb density CoolRest® gel-infused memory foam.
  • The gel infusion disperses body heat, preventing overheating.
  • Offers a plush, hugging sensation that molds to your body’s curves.
  • Eases tension in key areas like shoulders, hips, and back, promoting restful sleep.
  • Advanced gel memory foam technology ensures consistent comfort without the “sinking” feeling common in traditional memory foam.
  1. 2-Inch CoolRest® Bounce Foam (Transition Layer)
  • Resilient CoolRest® Bounce foam.
  • Bridges the gap between the plush comfort layer and the firmer support layer below.
  • Adds a slight bounce, making it easier to move or change positions during the night.
  • Reinforces the overall structure of the mattress.
  • Maintains the cushioning feel of the comfort layer while building supportive strength for your body.
  1. 7-Inch Sure Align™ High-Density Support Foam (Support Layer)
  • High-density foam with a 1.8-lb density rating.
  • Provides firm support to align your spine properly, reducing back pain and improving posture.
  • The sturdy base ensures the mattress retains its shape and support over time.
  • Offers a stable surface that complements the upper layers for a balanced sleep experience.
  • Engineered to distribute weight evenly and prevent sagging, ensuring long-lasting performance.

BedInABox Tranquillium® Mattress combines innovative design and high-quality materials. It delivers good comfort, support, and durability.

Rating

(4/5)
BedInABox Tranquillium Mattress
Materials & Construction (1=Least, 5=Best) (4.25/5)
Repositioning (1=Least, 5=Best) (4.00/5)
Comfort (1=Least, 5=Best) (4.00/5)
Cooling (1=Least, 5=Best) (3.75/5)
Motion Isolation (1=Least, 5=Best) (4.00/5)
Edge Support (1=Least, 5=Best) (4.00/5)
Overall Rating 4/5
Rating Scale: 1 = Average, 2 = Good, 3 = Very Good, 4 = Excellent, 5 = Winner

Repositioning

(4.00/5)

In this BedInABox mattress review, let us discuss some of the mattress performances!

Q1. How would you rate BedInABox Tranquillium® Mattress from a repositioning and responsiveness perspective?

Repositioning and Responsiveness

Repositioning refers to how easy it is to move around on the mattress without feeling stuck. Tranquillium® mattress offers a firm feel due to its high-density support foam. This makes it relatively easy to move around.

The CoolRest® Gel Memory Foam and the CoolRest® Bounce Foam layers do provide some cushioning. The mattress is firm enough that you won’t feel overly “hugged” or stuck in one position.

However, for those who prefer an ultra-soft or plush feel. Repositioning might feel slightly more effortful.

Responsiveness refers to how quickly the mattress adjusts to your body when you move or change positions. Tranquillium® mattress has a good balance of contouring comfort and supportive responsiveness.

The CoolRest® Gel Memory Foam is designed to contour your body. It provides a personalized fit without making you feel trapped. The Bounce Foam transition layer helps the mattress respond quickly to your movements.

However, as a firmer mattress, it may take a little longer to adjust than softer models.

Comfort, Back Support, Pressure Relief

(4.00/5)

Q2. How would you rate a BedInABox Tranquillium® Mattress for providing comfort and pressure relief to sleepers?

Comfort and Pressure Relief

I would rate the BedInABox Tranquillium® Mattress highly for comfort and pressure relief. Here’s why:

The mattress features a 3-inch CoolRest® Gel Memory Foam layer. It is designed to contour your body. This gives you a plush, comfortable feel that’s great for providing a “hugging” sensation. The memory foam conforms to your body shape. It helps alleviate pressure points, particularly in areas like the shoulders, hips, and lower back.

Additionally, the CoolRest® technology integrated into the foam helps regulate temperature. It ensures that you don’t sleep too hot.

The memory foam layer combined with the CoolRest® Bounce Foam provides good pressure relief. The bounce foam maintains cushioning while gradually building support. It helps in relieving pressure without creating a feeling of being “stuck” in the mattress.

If you are someone who experiences pressure points, this mattress does a good job. Despite the plush feel, the 7-inch Sure Align™ High-Density Support Foam at the base provides firm support.

Cooling & Temperature Control

(3.75/5)

Q3. How would you rate the cooling and overall temperature control characteristics of the BedInABox Tranquillium® Mattress?

Cooling

I would rate the cooling and overall temperature control characteristics of BedInABox Tranquillium® Mattress as good.

Here’s why:

  • CoolRest® Gel Memory Foam

The mattress features a 3-inch CoolRest® Gel Memory Foam layer. It is specifically designed to regulate temperature. This gel-infused foam provides a cooling effect by dissipating heat. This means you won’t experience the overheating that often happens with traditional memory foam mattresses.

  • Moisture-Wicking Tencel™ Cover

The mattress is equipped with a soft knit Tencel™ cover. This is not only luxurious but also moisture-wicking. Tencel™ fibers naturally manage moisture. It keeps the surface cool and dry as you sleep. This is an important feature for anyone who tends to sweat during the night.

  • Layered Construction for Optimal Airflow

Tranquillium® mattress has multiple foam layers. It promotes air circulation. The CoolRest® Bounce foam in the transition layer helps maintain airflow. It provides support without trapping heat.

Overall, if you tend to sleep hot or experience night sweats, the mattress provides effective cooling and temperature regulation. You’ll likely find this mattress to be comfortably cool throughout the night.

Know about the 10 best cooling sheets to enhance your sleep quality!

Motion Isolation and Sharing a Bed

(4.25/5)

Q4. Does BedInABox Tranquillium® Mattress provide reasonable motion isolation when sharing a bed with others?

Motion Isolation

Yes, BedInABox Tranquillium® Mattress offers good motion isolation. The CoolRest® Gel Memory Foam in the comfort layer helps absorb and isolate motion. It prevents disruptions when your partner moves during the night.

The Bounce Foam transition layer helps to minimize the transfer of motion. While it may not be as effective as a full memory foam mattress, it still performs well in reducing the impact of movements.

If you’re sharing a bed, this mattress is a good choice.

Edge Support

(4.00/5)

Q5. How would you rate the edge support of BedInABox Tranquillium® Mattresses?

Edge Support

The edge support of BedInABox Tranquillium® Mattress is average. The 7-inch Sure Align™ High-Density Foam layer contributes to its edge support. It helps prevent the mattress from sagging or feeling weak along the edges.

Whether you sit or lie near the edges, the mattress maintains a consistent level of firmness.

However, since the mattress is on the firmer side, the edge may feel slightly less forgiving compared to softer models.

Recommendation based on sleeping style

Ever wondered how your sleep position affects your well-being?

The way you sleep can have a significant effect on your health. So, understand different sleep styles. Let’s dive into the primary sleep positions and their benefits!

Side Sleeping

  • Side sleeping is the most popular and offers several benefits.
  • It helps keep the airways open, reducing snoring and easing mild sleep apnea.
  • Sleeping on your left side can help alleviate acid reflux symptoms.
  • With proper head and neck support, side sleeping promotes neutral spine alignment.

Back Sleeping

  • This position distributes body weight evenly. It may reduce strain on the back and joints.
  • Back sleeping can help align the head and neck. It offers relief from neck discomfort.

Stomach Sleeping

  • Like side sleeping, stomach sleeping can keep the airways open for individuals.
  • For some, it may reduce snoring, though, for others, it can increase it.

Understand how your sleep position affects your health. It can be key to improving your quality of rest!

In this BedInABox Tranquillium® Mattress review, let’s see how it could work for different sleeping styles.

Side Sleepers and BedInABox Tranquillium® Mattress

The 3-inch CoolRest® Gel Memory Foam layer offers good contouring. It allows the mattress to conform to your body’s curves. This reduces pressure points and prevents discomfort.

The mattress is good for side sleepers who weigh between 130-230 lbs. The mattress provides just the right balance of firmness and cushioning.

The soft-knit Tencel™ cover and plush comfort layer create a gentle surface that adapts to the side sleeper’s body shape. It ensures comfort without feeling too soft or too firm.

Back Sleepers and BedInABox Tranquillium® Mattress

The 2-inch CoolRest® Bounce Foam transition layer helps build support gradually. The 7-inch Sure Align™ Support Foam offers robust spine alignment. This ensures your spine remains in a neutral position throughout the night.

The mattress is suitable for back sleepers weighing 130-230 lbs. The firm feel of the mattress prevents sinking too deeply and ensures proper spinal support.

The firm support layer helps maintain the natural curve of your spine. The memory foam layer provides enough cushioning to relieve pressure.

Stomach Sleepers and BedInABox Tranquillium® Mattress

The 7-inch Sure Align™ Support Foam base provides a firmer, more supportive surface. It is essential for stomach sleepers. It ensures the torso stays aligned with the rest of the body.

Stomach sleepers who weigh up to 250 lbs will find this mattress good. The firmness keeps the body from sinking too much into the foam.

The combination of the transition and support layers creates a stable surface. It supports the stomach sleeper’s body while preventing the hips from sinking too deeply.

We hope our in-depth mattress review has helped you find your suitable match! If you’re looking for more options, be sure to explore our Mattress Review Page. For the latest deals and discounts, don’t miss our Best Time to Buy page!

Price

Size Price Sale Price Discount
Twin $1049 $734 30%
Twin XL $1149 $804 30%
Full $1359 $951 30%
Queen $1569 $1098 30%
King $1779 $1245 30%
Cal King $1779 $1334 25%
Get Coupons
x
Cashback from www.smartmattressbuy.com when you purchase a BedInABox mattress
BedInABox

- BedInABox Offers
  • 30% off mattresses
  • 30% off bundles. Plus, free pillows with select orders.

Price History

Coupons & Deals

  • 30% off mattresses
  • 30% off bundles. Plus, free pillows with select orders.