You can also simply go to NectarSleep.com for more info on discount rates and prices. Nectar is offered in all the regular sizes consisting of twin all the way up to California king. Here’s a breakdown of the measurements for each size: Twin– 39 ″ x 75 ″ Twin XL– 39 ″ x 80 ″ Full– 54 ″ x 75 ″ Queen– 60 ″ x 80 ″ King– 76 ″ x 80 ″ Cal King– 72 ″ x 84 ″ As you progress through this review, it is essential to understand why your weight matters when mattress shopping.