Our 1800 Series Split King sheet set is designed for adjustable beds, delivering soft, comfortable sheets that are easy to care for and built to last. With a smooth, cozy feel and durable construction, these sheets provide reliable comfort night after night — even as your bed adjusts.
A secure, stay-put fit helps reduce shifting and bunching during adjustments, making this set a dependable choice for Split King setups.
If you’re looking for Split King sheets that stay comfortable, easy to maintain, and reliable on an adjustable bed, the 1800 Series is a trusted everyday favorite.
A Split King is typically two Twin XL mattresses placed side-by-side. This setup is very common for adjustable beds.
Yes. Split King is designed so each side can move independently on an adjustable base.
Yes. The fitted sheet is designed for mattresses up to 16" deep.
They’re made from premium microfiber, selected for softness, durability, wrinkle resistance, and easy care.
Yes, if your Sleep Number mattress uses Split King / Twin XL sizing.