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 How Do I Return/Donate the Layla Mattress? What are the Layla Mattress Lifetime Warranty Details? What is the Layla Mattress 120 Night Trial? What's the return policy on the Layla Topper? Comments 0 comments Article is closed for comments.