例　Lots of people find it hard to get up in the morning, and put the blame on the alarm clock. In fact, the key to easy morning wake-up lies in reset-ting your body clock. 　1     Here's how to make one. ●　2     In order to make a change, you need to decide why it's important. Do you want to get up in time to have breakfast with your family, get in some exercise, or just be better prepared for your day? Once you are clear about your reasons, tell your family or roommates about the change you want to make. ●Rethink mornings. Now that you know why you want to wake up, con- sider re-arranging your morning activities. If you want time to have break-