The term 'kind of bed' can refer to a variety of different types of beds. Tanning beds are typically used for tanning and have seven letters. TWIN beds are two single beds placed side by side and have four letters. FEATHER beds are beds filled with feathers and have seven letters. DAY beds are beds that are designed to look like couches and have three letters. MURPHY beds are beds that fold up into the wall and have six letters. SOFA beds are couches that can be converted into beds and have four letters. WATER beds are beds filled with WATER and have five letters. Inadoor beds are beds that are designed to be used indoors and have seven letters. TRUNDLE beds are beds on wheels that can be stored under another bed and have seven letters. ROLLAWAY beds are beds that can be folded up and moved around and have eight letters.