| Consider the following possibilities: |
| 1) |
Hormonal changes (e.g., recent OCPs, pregnancy) |
| 2) |
Caffeine or analgesic overuse |
| 3) |
Uncontrolled HTN |
| 4) |
New medications (vasodilators, stimulants) |
| 5) |
Obstructive Sleep Apnea |
| 6) |
Vision changes |
| 7) |
Immunosuppression |