Whether your bedroom is small or not, hidden storage solutions are always the best ones: they help small rooms stay decluttered and they offer big rooms seamless and more elegant looks. For whatever reason you are looking for hidden storage ideas for bedrooms, here they are, get inspired!
Beds
A bed is the focal point in any bedroom, and it’s all clear that almost all the hidden storage solutions will be around this piece. Though we can name many more ideas, a bed is still the leader as it’s placed in every bedroom.
Storage Beds
There are many modern beds with storage space inside them, these can be frames that allow you using the floor inside or real beds with storage space inside them, and both versions are great. Such a bed will allow you store a lot of things, and nobody will see them – this is real hidden storage. As the size of such beds is usually quite large, you will get so much space that it can be used as a wardrobe alternative, a linen closet shoe or seasonal clothes storage unit. There are even beds with bookshelves on the outside and space inside, these are 100% best ones!

This modern bed can be lifted to use the space inside it for storage, this is my favorite type of hidden storage in a bedroom.

Many modern beds can be uplifted, so that you could use that space under the bed and it was seen only when needed.

This bed includes a lot of space inside it, where you can place lots of things, from making a wardrobe there to storing bedding or seasonal clothes.

This bed has a frame and can be lifted to use the space under it. Outside you can see some bookshelves and inside there's much storage space.

This bed consists of two separate spaces for storage that are used for bedding, blankets and duvets.
Under The Bed
If you don’t have a bed that can be lifted, you can still get hidden storage space choosing a bed with drawers. Such a bed is less expensive than the previous one, and it can still give you from a bit to a lot of storage space depending on the size of the drawers. These drawers can also substitute a linen closet, a shoe storage unit and much more. Even if there are no drawers but you have some space under the bed, you can insert boxes, drawers or a coffee table with storage making the use of this space.

This elegant stained bed is done with drawers for storage, they can be used for bedding, blankets and additional pillows.

The Scandinavian space shows a trendy stained bed with white drawers, a ledge gallery wall and a nightstand.

You can place a coffee table on casters under the bed, so you will have both a storage unit and a nightstand when rolled out.

The bed includes a couple of drawers, which are used for storing clothes, and if you don't have much, they can be enough.

This small bedroom shows how to squeeze everything in: a bed has storage drawers, there's a table, a wardrobe and some shelves.

Even if your bed doesn't feature any drawers but there's some space under it, you can place there some drawers.

This elegant stained mid-century modern bed features a couple of drawers that are used as a linen closet. (via stylebyemilyhenderson).

A whole wardrobe in a drawer! A storage bed with hidden drawers is a cool solution for a small room. (via minimaonline).

This kid's room features a bed with three drawers that are used for different stuff inside. (via archedmanor).

The space under the bed is taken by boxes with lids that are attached to stained drawer fronts to match the style of the space. (via tlcinteriors).

This bed includes several drawers that are used as a linen closet here, and this is a very smart idea for a small home.
Storage Headboards
A headboard is a perfect piece to use it for storage: it can be hidden storage space inside it or even behind it. As for compartments inside the headboard, these are usually ready beds or headboards like that, and as for behind the headboard storage, it can be easily DIYed: just add ledges to the wall or the bed.

No nightstand? No worries, you can get a headboard with such built-in drawers, so you will pull one out as a nightstand.

This bed is done with drawers that are pulled out, and these can be used as both nightstands and storage pieces.

This is a multi-functional headboard with hidden and open storage compartments that can be used for all kinds of stuff.

This storage headboard has hidden and non-hidden shelves, and it will be an elegant addition to any bed.

Add some hidden storage space to your headboard yourself, this is not a difficult task. (via notjustahousewife).

Such an open headboard storage space can be easily DIYed as all you need to do is to add some ledges or shelves between the headboard and the wall.

The bed has no headboard but this one was built in for comfort and to have some hidden storage space.
Other Ideas
Other options you may try are a windowsill storage bench that can substitute a dresser, some hidden cabinets in the wall or a hidden workspace inside such cabinets. More than that, you can find even whole units that consist of a bed, a desk and a storage space, all that in one. Don’t hesitate to look for the best options for your own sleeping space!

I love the idea of this tiny bedroom: this unusual single unit includes a bed, a desk and a storage unit.

This is a whole closet almost hidden in the wall: it looks so sleek that at some angles you won't guess it's there.

This hidden makeup space is done with shelves and a desk, a stool, and all that can be covered with doors.

This is a gorgeous modern solution for a bedroom: this is a single unit of a bed with storage and a headboard with floating nightstands.