| Completely Disagree | Disagree | Neutral | Agree | Completely Agree |
|---|
| 1.I often worry that my lack of sleep will lead to serious health problems. |
1.I often worry that my lack of sleep will lead to serious health problems. | | | | | |
| 2.I will frequently pay attention to my physical reactions (e.g., hair loss, acne) and attribute them to staying up late. |
2.I will frequently pay attention to my physical reactions (e.g., hair loss, acne) and attribute them to staying up late. | | | | | |
| 3.Thinking about "staying up late may cause diseases" makes me feel anxious and uneasy. |
3.Thinking about "staying up late may cause diseases" makes me feel anxious and uneasy. | | | | | |
| 4.I will have difficulty falling asleep because I am worried that staying up late will affect my health. |
4.I will have difficulty falling asleep because I am worried that staying up late will affect my health. | | | | | |
| 5.I will take the initiative to consult doctors or friends about the specific impacts of staying up late on my health. |
5.I will take the initiative to consult doctors or friends about the specific impacts of staying up late on my health. | | | | | |
| 6.To avoid the hazards of staying up late, I will deliberately avoid nighttime social activities or work arrangements. |
6.To avoid the hazards of staying up late, I will deliberately avoid nighttime social activities or work arrangements. | | | | | |
| 7.I will have regular physical examinations to confirm whether staying up late has caused substantial damage to my body. |
7.I will have regular physical examinations to confirm whether staying up late has caused substantial damage to my body. | | | | | |
| 8.I am very sensitive to words such as "aging" and "disease" and easily associate them with my own behavior of staying up late. |
8.I am very sensitive to words such as "aging" and "disease" and easily associate them with my own behavior of staying up late. | | | | | |
| 9.I will spend a lot of time looking for methods to improve sleep and make up for the hazards of staying up late. |
9.I will spend a lot of time looking for methods to improve sleep and make up for the hazards of staying up late. | | | | | |
| 10.I think my health status is worse than that of my peers, mainly due to frequently staying up late. |
10.I think my health status is worse than that of my peers, mainly due to frequently staying up late. | | | | | |
| 11.When I hear others talk about the hazards of staying up late, I will become more worried about my health. |
11.When I hear others talk about the hazards of staying up late, I will become more worried about my health. | | | | | |
| 12.I will feel anxious because I am worried that staying up late will affect my skin condition and energy levels. |
12.I will feel anxious because I am worried that staying up late will affect my skin condition and energy levels. | | | | | |
| 13.If I experience minor physical discomfort (e.g., fatigue, dizziness), I will first think it is caused by staying up late. |
13.If I experience minor physical discomfort (e.g., fatigue, dizziness), I will first think it is caused by staying up late. | | | | | |