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Challenges to good sleep hygiene in college students
| Technology |
| TV, computer, or video games before bed |
| Cell phones on overnight |
| Frequent exposure to light before bed |
| Substances |
| Caffeine and energy drinks |
| Alcohol use |
| Stimulant use |
| College scheduling and activities |
| Variable class schedules from day to day |
| Late night socializing |
| Early or late obligations |
