Sealy 100 Firm
Mattress Ratings & Reviews

84/100

Very Good

Based on 71 real owner experiences with this mattress.

Back Support

Pressure Relief

Sleep Quality

Stays "Cool"

Value

N/A

Warranty Service

N/A

Average Lifespan

11.4 Years

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on sealy.com

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Back Support

Pressure Relief

Sleep Quality

Stays "Cool"

Value

N/A

Warranty Service

N/A

Average Lifespan

11.4 Years

Shop this Bed

on sealy.com

Not sure this product is right for you?

Take the

GoodBed Match Quiz

Write a review of this product

FILTER

71 total ratings, 1 with review

Sort by:

alper hOrlando, FL

Review left on Nov 30, 2017

sleep over mountain

i bought SEALY mattress from Kane. At the selling time they are telling 10 years warranty and best mattres. after 3 years mattress sagging and impossible to sleep , allways wakeup back pain. When i ask warranty they say now only 1 inch and i need to wait at least 1.5 inch. They are all lier. Never buy again

This review is for Sealy 100 Firm

Owned for: 3 years

Condition: Like new

45 - 54 years old

Male

Back Sleeper

150-200 lbs

Prefers Medium Feel

See full review

Barbara LRiverside, CA

Review left on Aug 5, 2026

Ratings from this sleeper:

Back Support

4/ 5

Pressure Relief

4/ 5

Sleep Quality

4/ 5

Stays "Cool"

2/ 5

Value

N/A

Warranty Service

N/A

This review is for Sealy 100 Firm

Owned for: 4 years

Condition: Don't know

55 - 64 years old

Female

Back Sleeper

200-250 lbs

Prefers Very Soft Feel

Acid Reflux, Arthritis, Back Pain (lower / middle), Restricted Mobility, Fibromyalgia, Hip Pain, Latex Allergy, Back Pain (upper / neck), Pinched nerve, Restless Leg, Shoulder Pain, Sleep Apnea, Spinal Stenosis, Spondylolisthesis

JoanSanta Monica, CA

Review left on Jul 27, 2026

Ratings from this sleeper:

Back Support

4/ 5

Pressure Relief

N/A

Sleep Quality

N/A

Stays "Cool"

5/ 5

Value

N/A

Warranty Service

N/A

This review is for Sealy 100 Firm

Owned for: More than 20 years

Condition: Completely worn

Over 65 years old

Female

Stomach Sleeper

100-150 lbs

Prefers Medium Feel

Review left on Jul 22, 2026

Ratings from this sleeper:

Back Support

5/ 5

Pressure Relief

N/A

Sleep Quality

5/ 5

Stays "Cool"

N/A

Value

N/A

Warranty Service

N/A

This review is for Sealy 100 Firm

Owned for: More than 20 years

Condition: Moderately worn

55 - 64 years old

Female

Back Sleeper

100-150 lbs

Prefers Very Hard Feel

Back Pain (lower / middle)

Review left on May 4, 2026

Ratings from this sleeper:

Back Support

2/ 5

Pressure Relief

1/ 5

Sleep Quality

1/ 5

Stays "Cool"

3/ 5

Value

N/A

Warranty Service

N/A

This review is for Sealy 100 Firm

Condition: Slightly worn

Over 65 years old

Female

Side Sleeper

100-150 lbs

Prefers Somewhat Harder Feel

Acid Reflux, Arthritis, Back Pain (lower / middle), Restricted Mobility, Hip Pain, Back Pain (upper / neck), Osteoporosis, Pinched nerve, Restless Leg, Shoulder Pain, Spinal Stenosis

Review left on Jan 26, 2025

Ratings from this sleeper:

Back Support

4/ 5

Pressure Relief

4/ 5

Sleep Quality

N/A

Stays "Cool"

2/ 5

Value

N/A

Warranty Service

N/A

This review is for Sealy 100 Firm

Owned for: 2 years

Condition: Slightly worn

35 - 44 years old

Female

Side Sleeper

150-200 lbs

Prefers Somewhat Softer Feel

Acid Reflux, Airborne Allergies, Restless Leg

Review left on Dec 3, 2024

Ratings from this sleeper:

Back Support

5/ 5

Pressure Relief

5/ 5

Sleep Quality

4/ 5

Stays "Cool"

5/ 5

Value

N/A

Warranty Service

N/A

This review is for Sealy 100 Firm

Owned for: 11 years

Condition: Like new

Over 65 years old

Female

Side Sleeper

< 100 lbs

Prefers Somewhat Harder Feel

Acid Reflux, Sleep Apnea

DeborahLa Place, LA

Review left on Apr 25, 2024

Ratings from this sleeper:

Back Support

5/ 5

Pressure Relief

5/ 5

Sleep Quality

3/ 5

Stays "Cool"

4/ 5

Value

N/A

Warranty Service

N/A

This review is for Sealy 100 Firm

Owned for: 13 years

Condition: Very worn

Over 65 years old

Female

Side Sleeper

150-200 lbs

Prefers Somewhat Harder Feel

Acid Reflux, Airborne Allergies, Back Pain (lower / middle), Plus Size

Review left on Feb 12, 2024

Ratings from this sleeper:

Back Support

4/ 5

Pressure Relief

2/ 5

Sleep Quality

2/ 5

Stays "Cool"

4/ 5

Value

N/A

Warranty Service

N/A

This review is for Sealy 100 Firm

Owned for: 3 years

Condition: Like new

55 - 64 years old

Male

Side Sleeper

150-200 lbs

Prefers Medium Feel

Review left on Mar 5, 2023

Ratings from this sleeper:

Back Support

4/ 5

Pressure Relief

4/ 5

Sleep Quality

3/ 5

Stays "Cool"

3/ 5

Value

N/A

Warranty Service

N/A

This review is for Sealy 100 Firm

Owned for: More than a year

Condition: Moderately worn

Over 65 years old

Female

Side Sleeper

100-150 lbs

Prefers Somewhat Harder Feel

2 3 4 5

...

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The GoodBed Matching Quiz

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Sealy 100 Firm
Mattress Ratings & Reviews