Ever have difficulty falling asleep at a friend's house because of an uncomfortable pillow?
Don't blame your friend. Matching someone with a comfortable pillow requires more than just asking, "Hard or soft?" And not everyone is an expert like Miho Mihashi.
A "sleep adviser" for pillow manufacturer Lofty Co. Ltd., Mihashi says the most important factors in determining a good match are one's physique and head shape. Using these measurements, the ideal thickness of the pillow -- the key to a comfortable headrest -- can then be determined.
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