I also deal with stress by sleeping, playing, sports or going for a run.
The top 37 causes of stress according to The College Planning Group
are
 Academic Stress
1. Homework
2. Grades
3. Tests (SAT and ACT)
4. College Acceptances
5. Where to go to College

Social Stress
6. Alcohol/Drugs
7. Sexuality
8. Race
9. Fashion
10. Friends
11. Finances
12. Bullying
13. Gossip/Drama
14. Love life
15. Facebook 

Extracurricular Stress

16. Sports

17. Theater

18. Clubs

19. Leadership positions

Family Stress
20. Parenting Styles
21. Family Income/Status
22. Divorce
23. Siblings

Health Stress
24. Weight
25. Physical Appearance
26. Self Esteem
27. Diseases/Disabilities
28. Maturity
29. Puberty

Other Areas of Stress
30. Future
31. Career choices
32. Mentors
33. Guilt
34. Responsibilities
35. Death
36. Lack of Time
37.  High school job

Four Healthy ways to manage stress

is by, 

1. Understand how you stress.

2.Find healthy ways to manage stress

3.Take care of yourself

4. Reach out for support