Sleep on it for 101 nights in the comfort of your home, and if you don’t totally love it, you can return it for a full refund, no questions asked! The 101 night guarantee starts from the day your Somno is delivered to you. You then have 101 days to contact us to initiate a return for any reason! Once the return is confirmed, you will then receive a full refund back on the original method of payment: no return shipping fees to worry about! Plus, the mattress will be donated to a local non-profit in your community!