When does the 120 Night Trial start? Layla March 07, 2019 20:58 Updated Follow The 120 night trial starts on the day you receive your Layla product. Related articles What are the Layla Mattress Lifetime Warranty Details? How Do I Return/Donate the Layla Mattress? What is the Layla Mattress 120 Night Trial? What's the return policy on the Layla Topper? How long can the Layla Mattress stay compressed in the box before opening it? Comments 0 comments Article is closed for comments.