Lully

Lully is a San Francisco-based company focused on improving children's sleep.

It develops clinically proven products designed to help families achieve better sleep. The main product is the Sleep Guardian, an under-the-mattress device that prevents night terrors by delivering timed vibrations before episodes occur. This device is complemented by a smartphone app that provides parental input and guidance. Founded between 2012 and 2014, Lully emerged from Stanford Biodesign research and has received backing from Y Combinator and other investors. The company emphasizes science-based sleep technology, aiming to support children and families in overcoming sleep disruptions. Its offerings include sleep monitoring and recommendations based on data entered by parents, promoting healthier sleep cycles. Lully primarily targets parents and families looking for solutions to night terrors and sleep issues in children.