Buy Silentnight UltraGel 2000 Mirapocket Box Top Mattress Today With Free Delivery

Silentnight UltraGel 2000 Mirapocket Box Top Mattress

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Reviewed by Giselle Green

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From GBP 623.05 , last checked 08 Nov 2025
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Our Thoughts On The Silentnight UltraGel 2000 Mirapocket Box Top Mattress

If you're considering upgrading your sleep setup, the Silentnight UltraGel 2000 Mirapocket Box Top Mattress may have caught your eye. This mattress is designed with a host of features intended to enhance your nightly rest, offering pressure relief and increased breathability. But does it truly deliver on its promises? We've delved into its features and real customer feedback to help you decide.

How it performed in our tests

The Silentnight UltraGel 2000 Mattress includes several compelling additions that claim to elevate your sleep quality, starting with its UltraGel foam. This innovative material promises pressure-relieving benefits, and its open-cell structure allows for improved air circulation compared to standard memory foam. In practice, this means it should offer a cooler, more comfortable sleep experience. Yet, based on some feedback, the mattress does retain more heat than expected, especially for those who are prone to overheating at night.

Support and stability come courtesy of the 2000 Mirapocket springs. These springs are individually encased to offer personalised, zoned support that adapts to different parts of your body, theoretically enhancing spinal alignment. The presence of a rod edge assures durability and reduces the feeling of 'rolling off', which is a notable feature for partners sharing the bed.

Motion Isolation

UltraGel foam also helps in reducing motion transfer, making it a strong contender for those who share their bed with a partner who frequently moves at night. This can lead to fewer disturbances and a more restful sleep.

Off-gassing

Upon initial use, some individuals have reported a strong chemical smell, likely due to the introduction of new materials. However, such odours typically dissipate after a few days, aided by the mattress's breathable design.

Who it's best for

This mattress presents itself as an excellent choice for side sleepers and those of average weight. The medium tension provides a supportive sleep surface that adapts well for side sleeping, though back sleepers may prefer a firmer option for additional contouring.

Materials and construction

The Silentnight UltraGel 2000 is crafted with comfort and durability in mind. Its combination of UltraGel foam and Mirapocket springs is encased in a soft knitted cover, alongside a breathable mesh border designed to enhance overall airflow. These elements work together to create a pleasant sleeping environment. The tufted design ensures fillings remain intact, promoting longevity and maintaining the integrity of the mattress surface.

Ordering and delivery

As Silentnight is a well-established UK brand, ordering their UltraGel 2000 mattress is a straightforward online process, with delivery services available across the UK. Although in-person tests aren't feasible for this online-exclusive model, Silentnight's long-standing reputation in the industry assures a standard of quality.

Customer opinions

Impressions of the UltraGel 2000 Mirapocket box top mattress vary amongst users. Many highlight the mattress's durable build quality and plushness as major advantages. However, it hasn't been a universal fit for everyone; some users mention the mattress feeling excessively soft or not supportive enough, with particular complaints about feeling too hot at night due to heat retention despite its breathable claims.

Additionally, the UltraGel layer stood out to some not as a feature but a hindrance, with reports of difficulty in turning or feeling their body weight was not adequately supported. While Silentnight assures quality with a 5-year guarantee, these observations suggest not all sleepers found harmony with the design.

What customers did not like

  • Strong initial chemical odour
  • Some found it too soft, leading to discomfort
  • Heat retention issues for some users
  • Difficulty in moving or turning over due to softness
  • Reports of rolling into bed partner

Understanding these mixed reviews highlights that while the Silentnight UltraGel 2000 Mirapocket Box Top Mattress can offer many benefits, it may not cater to all sleep preferences, especially for those desiring a cooler or firmer sleep surface.


Pros and Cons

  • Customers mention it feels impressively well made with a premium, substantial build.
  • Several reviewers highlight the notably thick profile, which adds to the “luxury mattress” feel.
  • The cushioning top layer is described as very soft, which some sleepers may enjoy for a plush, sink-in sensation.
  • The 3cm UltraGel™ foam box top and deep 33cm build can trap warmth for some sleepers, despite the open-cell design and mesh border.
  • With a medium feel and plush top, lighter sleepers or couples may find it too soft, leading to sinkage, “rolling together,” and harder turning at night.
  • Being single-sided (rotate only) and foam-topped means comfort changes can’t be flipped away, and new-foam odour may be noticeable initially.

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Empirical Data Of Silentnight UltraGel 2000 Mirapocket Box Top Mattress

We have took a deep dive into the specifications and customer reviews to bring the below dataset. Be advised that the modelling assumes average weight and so suitability may vary.

Suitability
Back Sleepers

For back sleepers, the level of support a mattress provides is influenced by its firmness and the type of support layer used, with considerations tailored to those of an average build to ensure proper spinal alignment and comfort.

Suitability
Side Sleepers

For side sleepers, it’s important to have a mattress with a supportive tension that strikes the right balance—neither too firm nor too soft. This ensures the hips and shoulders can sink adequately, promoting proper spinal alignment and overall comfort.

Suitability
Stomach Sleepers

For stomach sleepers, a mattress should provide a firm and supportive base layer to offer adequate body contouring and prevent aches and pains. The level of support needed may vary depending on your body type and build.

Performance
Breathability

Mattresses designed with breathable materials enhance airflow, allowing heat to dissipate and helping to regulate your body temperature throughout the night. This not only keeps you comfortable but also provides a hygienic sleeping environment.

Performance
Turning on mattress

Some materials, such as memory foam, can make it harder to move or reposition yourself as you sleep, due to their contouring nature. Similarly, pillow-top designs, while offering a plush feel, can reduce movement making turning more challenging.

Performance
Stability

Stability is influenced by the type of support layer used, affecting edge-to-edge support and the prevention of roll-together. For instance, pocket springs with a firmer tension typically offer greater stability compared to softer open coil designs.

Ease of Use
Turning handles

Rotating your mattress regularly is key to keeping it in great shape, and built-in handles make this task much easier. This is particularly handy for larger, heavier mattresses that can be cumbersome to move.

Odour
Reduced Initial Odour

Some mattresses, especially those made with memory foam or delivered as rolled bed-in-a-box options, may have a noticeable smell when first unpacked. This initial odour usually fades significantly within 24 hours as the materials air out.

Odour
Reduced Standing Odour

In some mattresses, certain material compositions can lead to a longer-lasting odour that may persist beyond the typical airing-out period. This is more common in products with dense foams or certain adhesives, but proper ventilation can help reduce the scent over time.


Brand: Silentnight
Retailer: Mattress Online
Delivery Time: Excellent
Delivery Charge: Excellent
Guarantee: Excellent
Still Unsure? Take our mattress quiz to find out what might be suitable.Try Our Mattress Finder

Reasons To Buy

Specifications without the jargon, easy to understand and digest.

    5 year guarantee

    A 5 year guarantee is longer than the industry standard and gives confidence that both the supplier and retailer have confidence in the product they sell. After all, if it goes wrong through a manufacturing defect in this time, they will be the ones on the hook! Sleep soundly with the confidence that you will not be left out of pocket through this period. A win for the consumer.


    Medium

    With a medium firmness level, this specification caters exquisitely to a substantial range of sleepers, being not too hard nor too soft. The presence of 1000 pocket springs, complemented by gel layers, intends to distribute weight evenly across the surface, aiding in maintaining correct spinal alignment and contributing to a restful night's sleep.


    Fire Resistant

    Ensuring safety during your peaceful slumber, fire resistance is a crucial feature that reduces the risk posed by potential accidents involving flammable materials. Furthermore, it demonstrates the manufacturer's commitment to adhere to strict safety standards, prioritizing your well-being over all else.


    Mirapocket springs

    Mirapocket springs deliver an edge-to-edge support by allocating weight individually, hence, ensuring exceptional personalised comfort and less partner disturbance during sleep. However, potential over-firmness in smaller size mattresses might not be ideal for those who prefer a softer sleeping surface.


    National Bed Federation Approved Brand

    Receiving approval from the National Bed Federation indicates that the product meets specific industry standards and quality benchmarks. This approval serves as a reassurance of the product's reliability and durability, though discerning buyers may still want to consider personal comfort preferences.


    Pressure relief

    Experience the thrill of undisturbed slumber by utilizing the pressure relief feature in your new mattress. This distinctive trait focuses on diminishing pressure points throughout your body, distributing weight evenly and providing a tailor-made sleeping experience resembling zero gravity.


    Mini pocket springs

    Harnessing the utility of mini pocket springs, you'll witness substantial improvement in tailored support and pressure relief. Furthermore, with the higher spring count, even distribution of weight becomes a guarantee, ensuring a restful and undisturbed night's sleep.


    Microquilted

    Microquilting provides a smoother and more durable finish to the mattress surface, enhancing comfort and longevity. This construction method helps maintain the mattress's shape and resilience over time, contributing to a consistent and supportive sleep experience.


    33cm deep

    A 33cm depth typically indicates a luxurious and supportive mattress, offering ample space for advanced comfort layers and robust pocket springs. Deep mattresses like this often provide enhanced body support and pressure relief for a more restful night's sleep.


    UltraGel

    UltraGel technology in the item provides a cooling sensation, making it ideal for those who often feel overheated during sleep. The inclusion of 3000 Mirapocket springs offers tailored support and pressure relief, enhancing overall comfort.


    Includes turning handles

    Turning handles aid in the regular rotation of the mattress, thereby significantly extending its lifespan. Easy maintenance is always appreciated, and these handles streamlining the process by making rotation hassle-free and manageable.


    Pillow top

    A pillow-top layer gifts you with an additional layer of pure comfort and softness. It capitalises on reducing pressure points and enhancing back support which could contribute to a more restful and pain-free sleep.


    Handcrafted in the UK

    Wow! If you're looking for a high-quality mattress that is handmade in the UK, then this is one to watch. This mattress is made with high-quality materials and tested to ensure quality.


    Single-sided

    Unlike double-sided mattresses that require flipping, a single-sided mattress only needs to be rotated periodically, making maintenance easier.



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