Sagging Lumbar Support

My king size "Thankful" model hybrid mattress is four months old. It felt wonderful for the first month. My husband and I rotated it each month thereafter after as recommended by the salesman. This is extremely hard to do because this mattress is very heavy. We started to notice a lack of support in the lumbar area. This deteriorated into a sagging that is visibly noticable on top. The vertical center of the mattress, between the 2 sides, is now elevated. It feels like you are turning uphill when you turn towards the center. I can no longer tolerate sleeping on it and have retreated to a guest room. I am having someone from the store evaluate it because the mattress is warranteed for 25 years.

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Pros:
  • Temperature Control
Cons:
  • Pressure Relief
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Ratings from this Sleeper

Back Support

User rated this bed:
Poor Back Support

Pressure Relief

User rated this bed:
Poor Pressure Relief

Sleep Quality

User rated this bed:
Not Rated

Stays "Cool"

User rated this bed:
Excellent "Coolness"

Value

User rated this bed:
Not Rated

Warranty Service

User rated this bed:
Not Rated

Softness Level

User rated this bed:
Much too soft