A pillow is a support of the body at rest for comfort, therapy, or decoration. Pillows are used by many species, including humans. Some types of pillows include throw pillows and decorative pillows. Pillows that aid sleeping are a form of bedding that supports the head and neck. Other types of pillows are designed to support the body when lying down or sitting. Recently there are also pillows consider human body shape to sleep more comfortably. Decorative pillows used on beds, couches or chairs are also referred to as cushions.