This adjustable bed works great.  4 stars are due to the delivery.  I ordered 2 twin XL's, and each one weighed over 100lbs!  The delivery should be an in home option.  The Fedex guy was so flustered, that he barely got them into my garage.  I live in a high ranch, so getting them to the upper level was a bear.  Once upstairs, they were so easy to put together.