When it comes to improving your sleep, mattresses often receive the most consideration. But your pillow also plays a crucial role in getting a good night_s rest. Like anything that you use every day, pillows tend to wear out over time. Even the best pillows need to be replaced, though many people are unaware of when they should purchase a new pillow. We_ll discuss how long a pillow should last and how to increase your pillow_s lifespan. We_ll also cover common signs that your pillow no longer offers proper support and how the best pillows contribute to good Derila Sleep Support and hygiene. How Long Should Your Pillow Last? Most pillows last 1 to 2 years before they need to be replaced, but different types of pillows can have different lifespans. Polyester or Down Alternative: Pillows using polyester fiber or a synthetic down alternative are the most common and cost-effective type of pillow available. They generally last 1 to 2 years.