People treat the double as a small queen. It is not. It is its own size with its own job, and buying one without knowing that job is how you end up with a bed that feels tight from week one.
Here is what a double bed mattress actually gives you, who it suits, when to skip it, and which Sleepyhead options make sense at this size.
Double bed mattress width: do the maths first
Sleepyhead’s double mattresses are 48 inches wide, in lengths of 72, 75 and 78 inches. Split that between two adults and you get 24 inches each, which is two-thirds of what a single sleeper gets on a 36-inch single.
That number is the whole story. For one person, 48 inches feels generous. For two, it works if you both sleep still and close. If either of you sprawls or turns through the night, you will feel the edges.
Who a double size mattress suits
- One adult who likes space. A double gives a solo sleeper room to sprawl without eating the whole bedroom.
- A couple in a compact room. If the room cannot take a queen with walking space on both sides, a double is the sensible call.
- A teenager’s room. Kids outgrow singles around the time they stop fitting in them, and a double usually lasts through college.
- A guest room that doubles as a study. Enough bed for a visiting couple, small enough to leave desk space.
- A parent’s room in a joint family home. Room to stretch without taking over the floor.
When to skip the double and buy a queen size mattress
If both of you sleep on the bed every night, and the room has space for a 60-inch mattress with two feet clear on each side, the queen is the better long-term buy. The extra foot of width is the difference between touching elbows and not.
Also skip the double if a child regularly ends up in your bed. Three people on 48 inches is a hard night for everyone.
Double mattress length matters as much as width
This is where doubles catch people out. Plenty of older Indian double cots are 72 inches long, which is exactly six feet. Anyone close to that height ends up with their feet at the very edge.
Sleepyhead lists 72, 75 and 78-inch lengths in double, so the fix is simple. Measure the inside of your frame and pick the longest length it will take.
Which double bed mattress to put on it
Twenty mattresses in the range come in double, so the choice is wide. Most people start with the Original, but four are worth shortlisting:
- Original. The three-layer BodyIQ orthopedic memory foam mattress, in heights from 5 to 10 inches, rated 4.5 out of 5 from over 25,000 reviews. The safe pick for everyday sleep.
- Switch. A 2-in-1 dual comfort high-density foam mattress with a soft side and a firm side, in 5 and 6 inches. Useful when two people on a smaller bed cannot agree on feel.
- Boing. A three-zone pocket spring mattress with HR foam and plush support, in 6 or 8 inches, rated 4.7 out of 5 from 70 reviews. Springs help when two bodies share a narrower surface, because movement stays on its own side.
- COCO. A high density rubberised coir orthopedic mattress with a natural cooling effect, 6 inches, rated 4.7 out of 5 from 165 reviews. Firm and breathable for hot rooms.
- If the two of you cannot agree on firmness, the Switch settles it with a soft side and a firm side on the same mattress. And if the double is going into a guest room that gets occasional use, the Napster Mini is also available in double at 72 x 48 inches, in 3 and 4-inch heights, and it folds away when nobody is staying.
Mattress height on a storage bed
Box beds and hydraulic storage frames are common at this size, and mattress height changes how they behave. A thicker mattress sits higher and is heavier to lift when you are getting to the storage underneath.
The range runs from 3 inches up to 10 inches depending on the model, so there is room to choose. A 6-inch build is usually the sweet spot on a storage bed.
What you get with a Sleepyhead mattress
Beyond the mattresses themselves, a few things make the decision easier:
- The 100 night trial covers this size too, so you can find out whether 48 inches is enough for the two of you before committing.
- A 30-second quiz on the site shortlists models for you, and stores are listed through the store locator if you want to lie on one first.
Before you buy a double mattress online
Measure the frame, decide honestly whether the bed is for one sleeper or two, then pick the feel. Buy it online in the length your frame takes, and let the trial confirm it.
