Our 100-Night Relief Guarantee gives you time to try your MedCline Relief System in the comfort of your own home. While some customers find relief on night one, others need more time to adjust to the new sleep position. It may also take your body time to heal from nighttime acid reflux and/or shoulder pain before you start feeling relief. For these reasons, sleep on MedCline for at least 30 nights. During this time our team of MedCline Sleep Specialists will work with you to help you find comfort and relief. After 30 nights, if we have been unable to help you achieve a better night’s sleep, we will be able to process a return.