Since 2004, This Works has innovated sleep science and cosmetics, working with neuroscientists to study the nervous system and its effect on sleep. Research includes independent clinical sleep trials, fMRI brain imaging studies and user testing with 1,000+ participants. Explore natural lavender sleep aids, pillow sprays and sleep spray formulas, including deep sleep pillow spray, clinically shown to help 89% fall asleep faster than usual* while supporting overnight recovery.