The dimensions of a Sleepy's Signature Adjustabe Base are 74.8" x 37.5" x 11.5" for a twin size, 78.8" x 37.5" x 11.5" for a twin XL size, 74.8" x 53.2" x 11.5" for a full size, 78.8" x 58.3" x 11.5" for a queen size, 78.8" x 74.8" x 13" for a king size, 82.8" x 70.9" x 13" for a california king size, 82.8" x 35.5" x 11.5" for a split california king size.

The Sleepy's Signature Adjustabe Base weighs 110 lbs for a twin size, 112.8 lbsfor a twin XL size, 148 lbs for a full size, 159.5 lbs for a queen size, 204.6 lbs for a king size, 204.4 lbsfor a california king size, for a split 112.9 lbs california king size.

The weight capacity for a Sleepy's Signature Base is 650 lbs for all sizes, which includes the mattress, people, and anything else that will be used on top of the base.

A split king adjustable base is made up of two Twin XL adjustable bases placed side by side. This size is a great option for some couples because it features two separate bases for independent movement. There's a split in the bed so you can each select your own position.

A split head adjustable base is a base that is designed for couples who want to independently raise or lower their head. It is a single base, with a split head only, meaning the head of the base can be controlled separately. This provides a personalized experience for couples who want to watch tv, read, or have issues like snoring or acid reflux addressed.