A pillow is a support of the body at rest for comfort, therapeutic, decoration or play. Pillows are used by many species including humans. Some types of pillows include throw pillows and decorative pillows. Pillows that aid sleeping is 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. Decorative pillows used on beds, couches or chairs are also referred to as cushions.