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Box Springs & Bed Bases

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King

Adjustable Bases

Only at Mattress Firm

Mattress Firm 900 Adjustable Base

Mattress Firm 900 Adjustable Base

King

5 Sizes

Get it by 6+ weeks

Best Seller

Tempur-Pedic TEMPUR-Ergo® 3.0 Adjustable Base

Tempur-Pedic TEMPUR-Ergo® 3.0 Adjustable Base

King

6 Sizes

Get it by Tomorrow Jun 18

Best Seller

Sleepy's Signature Adjustable Base

Sleepy's Signature Adjustable Base

King

7 Sizes

Save $299 with qualifying mattress purchase. Code: ELEVATE

Get it by Tomorrow Jun 18

Best Seller

Tempur-Pedic TEMPUR-Ergo® ProSmart Adjustable Base

Tempur-Pedic TEMPUR-Ergo® ProSmart Adjustable Base

King

5 Sizes

Calm app 3-month free trial with mattress purchase & registration

Get it by Tomorrow Jun 18

Best Seller

Tempur-Pedic TEMPUR-Ergo® Smart Adjustable Base

Tempur-Pedic TEMPUR-Ergo® Smart Adjustable Base

King

6 Sizes

Calm app 3-month free trial with mattress purchase & registration

Get it by Tomorrow Jun 18

Two people lying in bed with text asking if snoring is keeping you awake and promoting an upgrade to an adjustable base for quieter nights.

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Best Seller

Sleepy's Elite Adjustable Base

Sleepy's Elite Adjustable Base

King

1 Color | 7 Sizes

Save $299 with qualifying mattress purchase. Code: ELEVATE

Get it by Tomorrow Jun 18

Best Seller

Sleepy's Deluxe Adjustable Base

Sleepy's Deluxe Adjustable Base

King

7 Sizes

Save $299 with qualifying mattress purchase. Code: ELEVATE

Get it by Tomorrow Jun 18

Only at Mattress Firm

Sleepy's Basic Adjustable Base

Sleepy's Basic Adjustable Base

King

7 Sizes

FREE with select mattress purchase³.

Get it by Tomorrow Jun 18