A cure for bipolar, depression, schizophrenia or other mental illness would be a state of recovery where no more symptoms were present and you were returned to health permanently. This is the one that is contentious in mental illness.
Typical king-size beds measure 78 inches wide, while queen mattresses are 60 inches, full beds are 54 inches and twin beds are 39 inches wide. Visit a lumber or home improvement store and request the wood to be cut the exact length to save you some time and trouble.
The dimensions of a California king mattress is 72 inches by 84 inches, and a twin-XL mattress is 39 inches by 80 inches. Two twin-XL beds side-by-side are the same size as a standard king mattress.