Please follow the below instructions in order to associate a new email address with your account:
1. Open the Sleep Watch App on your iPhone
2. Select the 'Account' tab
3. Select 'Logout' and confirm logout by tapping 'Yes'
4. Then, while still in the ‘Account’ tab, select 'Login to store data'
5. Complete the 'Create New Account' form using the new email address you wish to associate with your account.