The term "pillow types" can refer to different categories of pillows used for various purposes. Here are some common types of pillows based on their design, filling, and intended use: 1. Based on Filling Material: Feather Pillows: Filled with duck or goose feathers, providing a soft and supportive feel. They are moldable and tend to be cooler. Down Pillows: Filled with the soft underlayer of feathers (down) from ducks or geese, these are softer and offer better insulation than feather pillows. Memory Foam Pillows: Made from viscoelastic foam that conforms to the shape of your head and neck, offering good support and pressure relief. Latex Pillows: Made from natural or synthetic latex, these pillows are durable, resilient, and hypoallergenic. Polyester Pillows: Filled with synthetic fibers that are soft, affordable, and machine washable. Buckwheat Pillows: Filled with hulls of buckwheat, they provide firm support and are adjustable for height. Microbead Pillows: Filled with small beads that adjust to the shape of the head and neck, offering a soft but firm support. 2. Based on Shape and Design: Standard Pillow: A traditional rectangular shape, often 20x26 inches, used for sleeping. Cervical Pillow (Neck Pillow): Designed to provide support for the neck and head, promoting alignment of the spine. Body Pillow: A long pillow, typically 20x54 inches, that supports the whole body, often used during pregnancy or for side sleepers. Wedge Pillow: A triangular-shaped pillow used to elevate the upper body or legs for relief from acid reflux, snoring, or leg circulation issues. Travel Pillow: A smaller, often U-shaped pillow, designed for use during travel to support the neck. V-Shaped Pillow: A pillow that supports the body at a 90-degree angle, commonly used for reading or resting in bed. Lumbar Pillow: Designed to support the lower back, typically used for ergonomic support while sitting. 3. Based on Usage: Sleeping Pillow: Designed for comfort during sleep, often available in soft, medium, or firm options. Pregnancy Pillow: Specially designed to provide support for expectant mothers during sleep. Decorative Pillow: Used for decoration on beds or sofas, available in a variety of shapes, sizes, and materials, but not typically for sleeping. Orthopedic Pillow: Created for therapeutic purposes, these pillows are designed to help with posture, neck pain, or back pain.