Did you know that we spend about one-third of our lives sleeping — roughly 26 years in bed? Yet, most people underestimate how much their pillow size and shape influence sleep quality. The wrong pillow can lead to neck stiffness, back pain, and restless nights , while the right one supports your posture and breathing. In a 2024 National Sleep Foundation report, 72% of people said a well-fitted pillow directly improved their sleep comfort. Whether you’re a side sleeper , back sleeper , or stomach dreamer , choosing the best pillow tailored to your size and sleeping style is key to waking up refreshed. This guide breaks down pillow sizes , fit tips , and h ow to choose the best pillow for your sleeping position , especially if you’re a side sleeper. Standard, Queen, King – What’s the Difference? Before diving into materials and sleep types, let’s decode the basic pillow sizes found in most homes. Pro Tip: If you toss and turn, a Queen-size pillow offers extra space ...