Serta Perfect Sleeper Castlemoor I Firm

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The Only Official Mattress of the National Sleep Foundation

The Serta Perfect Sleeper is the Only Official Mattress of the National Sleep Foundation, designed to help solve 5 common sleep problems:

  1. Tossing and turning
  2. Lack of support, leading to back pain
  3. Sleeping too hot or too cold
  4. Partner disturbance
  5. Mattress roll-off or sag

Now with every new Perfect Sleeper you will have at least 5 reasons to never count sheep again!

Select Perfect Sleeper mattresses are now compatible with a Serta adjustable foundation.  Choose from a variety of firm, plush, pillow top and euro top models to find the level of comfort that's right for you.  Model name, availability and pricing vary by retailer so please see your local Serta retailer for details.  

Bottom Line Is this a good bed for you?

Fit: Recommended for people who...

Prefer to sleep on their back
Prefer to sleep on their stomach
Prefer only a bit of softness

Function: Rated for its...

Motion Isolation
Pressure Relief

Features: Contains...

  • Gel
  • Gel Memory Foam
  • Innerspring
  • Memory Foam
  • Pocketed Coils
See specs for the Castlemoor I Firm »

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Q&A Castlemoor I Firm

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Answered by Serta (10)

Model Features Castlemoor I Firm

Support Core:
Comfort Level:
Surface Type:
Pillow Top


Mattress Components:


Overall Build
  • No-Flip
  • Mattress Thickness: 14"

About this Model Castlemoor I Firm

Active (edit this)
Serta Perfect Sleeper
Model Name:
Castlemoor I Firm

Additional Information Castlemoor I Firm


The Castlemoor I Firm is a pillow top spring core firm mattress model that is part of the Perfect Sleeper product line manufactured by Serta.


Have an update or correction to our information about Serta Perfect Sleeper Castlemoor I Firm? If so, please take a moment to suggest an edit.

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