Buying a New Mattress? Compare 6 Inch vs 8 Inch for Comfort & Value

Choosing between a 6-inch and 8-inch mattress? It’s not just about numbers — mattress thickness can directly impact your comfort, sleep quality, and long-term health. The right choice depends on the user, their weight, and their support needs. While a 6-inch mattress works well for kids or lighter adults, an 8-inch option offers extra cushioning and support, ideal for heavier individuals or shared beds. Here’s a complete guide to help you decide which thickness is best for your sleeping needs.

6-Inch vs. 8-Inch Mattress: What’s the Difference?

This mattress thickness will affect how well your body is supported while sleeping. Here is the breakdown:

6-Inch Mattress

Best for: kids, lightweight people, guest beds, and bunk beds.

Comfort level: average, for short-term use or occasional.

Support: adequate if under 60-70 kg and especially for kids.

Best use for: small or compact space, minimalist, okay with small budgetary issues.

8-Inch Mattress

Best for: adults, couples, and people that suffer from back pain.

Comfort level: An 8-inch mattress offers comfort and good durability.

Support: Better spinal alignment and pressure point relief.

Best use for: master bedrooms, daily sleeping habits, and people that weigh over 70 kg.

Top-Rated 6-Inch and 8-Inch Mattresses in India (2025)

Here are some of the top-selling mattresses with high user ratings on Amazon:

S.No.

Top Products

Features

Rating

Wakefit ShapeSense Orthopedic Classic Memory Foam Mattress (8-Inch)

Premium Fabric Cover, Advanced Orthopedic Support

4.4

Sleepyhead Laxe Pincore Latex Mattress (6-Inch)

Latex Foam, 3-Zone Support, Breathable Fabric

4.3

Sleepwell Dual Mattress (8-Inch)

Reversible Use, Neem Fresche Technology

4.0

Kurl-On Dual Mattress

Dual Firmness, Hypoallergenic

4.0

The Sleep Company SmartGRID Ortho Mattress (6-Inch)

SmartGrid Tech, Orthopedic Relief

4.4

1. Wakefit ShapeSense Orthopedic Memory Foam Mattress (8-Inch)

The Wakefit ShapeSense Orthopaedic Memory Foam Mattress (8-inch) is perfect for heavy sleepers or those with chronic back pain. The mattress has ShapeSense foam, which conforms to the body while relieving pressure and allowing for proper pressure. The AeroTex knit cover supports airflow, keeping the mattress breathable and cool. With zero motion transfer and support for all sleep positions, the mattress provides comfortable sleep tailored to your needs without interruption.

2. Sleepyhead Laxe Pincore Latex Mattress (6-Inch)

The Sleepyhead Laxe Pincore Latex 6” Mattress is an ideal choice for consumers who are looking for a natural and eco-friendly sleeping surface. The Pincore natural latex layer provides supportive yet gentle comfort with a cool, breathable feel that is ideal for children and young adults. The super-soft foam base is comfortable, and the removable cover provides easy washing and maintenance. There is zero motion disturbance with this mattress, so it will keep you from being disturbed during the night; it is a smart sleeping choice for everyday use and a healthy option for families.

3. Sleepwell Dual Mattress (8-Inch)

With the Sleepwell Dual Mattress (8-inch), you can enjoy the versatility of dual firmness, which means soft on one side and firm on the other. This mattress is perfect for couples or for those who find their comfort choices change over time. The Sleepwell Dual is equipped with Acuprofiled Resitec foam that provides adaptable support. The Euro top, which adds plush softness, enhances both comfort and performance. The anti-fungal, anti-bacterial cover with Neem Fresche technology addresses hygiene and is a suitable option for those looking for a sleeping environment that provides comfort and clean use in a durable product.

4. Kurl-On Dual Mattress

The Kurl-On Dual Mattress is a low-price, durable option perfect for children or older adults. The dual comfort construction has soft and firm sides to adapt to their shifting needs for support. The high-resilience foam mattress is also equipped with a non-static top layer so users can sleep without disturbances and sleep in a restful state. The materials are hypoallergenic and breathable, which makes it a good overall healthy, low-maintenance, low-cost option for everyday comfort.

5. The Sleep Company SmartGRID Ortho Mattress (6-Inch)

The Sleep Company SmartGRID Ortho Mattress (6-inch) is highly preferable for people with postural issues or chronic aches and pains. With patented SmartGRID technology providing zones of support and allowing for body adaptation, the SmartGRID mattress provides support for your back while still maintaining proper spinal alignment. The SmartGRID is medium-firm but is certified as orthopaedic for comfort as well as long-term pressure relief. An excellent choice for sleepers who want ergonomic support and advanced pressure relief, as well as a modern mattress design that is health-orientated.

So, which mattress thickness is best for you?

Criteria

Go for 6 inches.

Go for 8 inches.

User Weight

Under 60–70 kg

Over 70 kg

Primary Use

Guest/kids bed, occasional use

Everyday sleep, adults, couples

Comfort Level

Basic comfort

Enhanced cushioning and support

Support Type

Moderate

Strong orthopedic support

Budget

Affordable

Slightly premium, more features

Final Verdict

6-inch mattresses and 8-inch mattresses provide their own purposes. When purchasing a mattress for day-to-day use, an 8-inch mattress is a better bet for long-term durability and orthopaedic support. A 6-inch mattress is usually sufficient for guest rooms, children's rooms or budget accommodations.

Consider your particular needs, restrictions on space, and your budget before making a decision. Most reputed brands like Wakefit, Sleepwell, Kurl-On, The Sleep Company, etc., provide an array of choices in both thicknesses, so there is something for everyone.