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A high fill pillow suits the full-bodied and well-built sleeper who favours sleeping on their side. It is also a great choice for sleepers who like to sleep with an elevated head.
Your sleeping position matters. As a side-sleeper, you need a higher pillow to fill out the gap between your mattress and head – as opposed to a classic back sleeping position.
If you spend the night on a soft mattress, your pillow does not need to be as high as when the mattress is hard.