The sleeping height of your bed is really a personal preference, and depends on the look you want (low beds often look more modern and minimalist) and also your mobility. If you have mobility problems we recommend you choose a bed and mattress height that allows you to sit on it with knees at right angles. Headboard heights can vary and the aesthetics often depends on how thick your mattress is. It is worth calculating the distance between the top of your mattress and the top of the headboard to ensure you are happy with the amount of headboard that will be seen above the mattress. Don't forget you will have pillows too!