The adjustable bed gap problem

Adjustable beds are great for comfort. You can raise the head to read or watch TV. You can raise the foot to reduce swelling. But there is one big problem: the gap between the two mattresses.

Most adjustable beds use two separate mattresses, one for each person. When you push them together, a gap forms in the middle. The same gap problem that happens with any two-mattress setup. But on adjustable beds, it is harder to fix.

Why is the gap worse on adjustable beds?

On a regular bed, a foam wedge can at least fill the gap temporarily. On an adjustable bed, even that does not work. When you raise the head or foot section, the mattresses flex and the gap changes shape. A foam wedge gets pushed out, squeezed, or falls to the side. Every time you adjust the bed, you have to fix the wedge again.

A topper does not work either. You cannot raise one side of the bed with a stiff topper lying across both mattresses. It blocks the movement.

Why foam wedges fail on adjustable beds

A foam wedge that does not work on adjustable beds

A foam wedge sits IN the gap between the mattresses. On a flat bed, it stays in place (for a while). But on an adjustable bed, it fails because:

  • Raising the head section pushes the wedge out
  • The gap widens when mattresses flex, and the wedge falls in
  • You have to reposition it every time you adjust
  • It still does not stop the mattresses from sliding
  • The foam compresses after a few weeks anyway

A foam wedge is not designed for adjustable beds. It is designed for flat, static beds. Even there, it is only a temporary fix. Read our full Bedbinder vs foam wedge comparison.

The Bedbinder Deluxe working on an adjustable bed, keeping mattresses together

How the Bedbinder works on adjustable beds

The Bedbinder Deluxe is a horizontal bed bridge. It wraps around both mattresses from underneath with adjustable straps. This design is perfect for adjustable beds because:

  • Sits under the mattresses, not in the gap
  • Straps flex when you raise head or foot section
  • Stays in place no matter how you adjust the bed
  • Each person can adjust their side independently
  • No interference with motors or remote controls
  • Keeps mattresses connected even during movement

Which adjustable beds work with the Bedbinder?

The Bedbinder Deluxe works with all types of adjustable beds:

  • Electric adjustable bases (single motor or dual motor)
  • Manual adjustable beds with cranks or latches
  • Split king adjustable beds (two Twin XL mattresses)
  • Hospital-style adjustable beds
  • Adjustable boxspring systems

It fits all standard mattress sizes from 80x200 to 120x200 cm (Europe) and Twin, Twin XL, and Full sizes (US). Even if your two mattresses are different sizes or different firmness levels, the Bedbinder keeps them connected.

Frequently asked questions

Yes, but only a horizontal bed bridge like the Bedbinder Deluxe. It works underneath the mattresses, so it stays in place even when you raise the head or foot section. Foam wedges pop out on adjustable beds.

When you raise the head or foot section, the mattresses flex and the gap widens. A foam wedge gets pushed out or squeezed. The Bedbinder wraps around the mattresses from underneath, so it moves with them.

No. The Bedbinder sits underneath, not on top or between. You can raise and lower the head and foot sections freely. The straps flex with the mattress movement. Each person can adjust their side independently.

All types: electric adjustable bases, manual adjustable beds, split king beds, hospital beds, and adjustable boxspring systems. It fits any standard mattress size from 80x200 to 120x200 cm.

Read more about bed bridges

What is a bed bridge?

Learn the difference between a foam wedge and a real bed bridge, and find out which one actually solves the gap.

Read more

Split king gap filler

Split king beds have unique challenges. Find out the best way to fix the gap on a split king adjustable bed.

Read more

Bedbinder vs foam wedge

One fills the gap temporarily. The other eliminates it permanently. See the honest comparison.

Read more

Bed bridge reviews

Read what 15,000+ couples say about fixing the gap with the Bedbinder Deluxe.

Read more

Fix the gap on your adjustable bed

The Bedbinder Deluxe is the only bed bridge designed to work on adjustable beds.

49.95 euros. 30-day sleep trial. Free shipping in NL and BE.

Order the Bedbinder Deluxe