1. Have breakfast one hour after you wake up in the morning.
2. Think about a variety of things in bundles.
3. In the case of an office worker, stand up once every hour.
4. After lunch, take a little nap or have a chat.
5. Stimulate a tactile sensation by touching things with your hands while you close your eyes.
6. Change the direction of thought.
7. Consciously use a hand which is rarely used in your daily life.
8. Go home from work on a different road from usual.
9. Do something before you go to bed.