Lavender pillow sprays are touted to improve sleep, but is the claim backed by science – or is it just clever marketing? The trick, we're told, is to spray lavender scents on pillows to not only help ...

ThisWorks Deep Sleep Pillow Spray is a popular sleep aid with over 12 million units sold worldwide. The spray uses a functional fragrance of Lavender, Vetivert, and Camomile to help calm the mind.

Which pillow spray is best? Wondering what a pillow spray is? Depending on the formulas, pillow sprays help sleepers unwind, manage their acne or simply refresh pillowcases and bedding between washes.