If your study administrator provided you with a code for an authorized study or if you, enter the Code in the field provided on the next page. If you are looking to purchase SHUTi for your individual use or a clinician referred you to SHUTi and gave you a clinician code for a discount, this program is not available for consumer purchase as of October 11, 2018. We apologize for any inconvenience this may cause.  However, if you would like to register to be part of an upcoming clinical trial using CBT for insomnia, please go back to the website and click "I'm Interested In Being In a Trial" on the registration page.