Anguttara Nikaya 11.16: benefits to practicing Metta

Eleven benefits to practicing Metta (loving kindness meditation:

1. You will sleep easily
2. You will wake easily
3. You will have pleasant dreams
4. People will love you
5. Devas (gods or angels) and animals will love you
6. Devas will protect you
7. External dangers, such as poisons, weapons, and fire, will not harm you
8. Your face will be radiant
9. Your mind will be serene
10. You will die unconfused
11. You will be re-born in happy realms

(from Anguttara Nikaya 11.16)