moredaybeds.com — What are daybeds and how do they differ from regular beds? How much should they cost, what type of daybeds are there, and what type of accessories are available for daybeds? In essence, a daybed is a bed that you can sleep in whether it is day or night. There are 3 parts of a daybed, (1) The Frame, (2) a Trundle, and (3) and a Mattress.