Pre-Sleep Media Device Use and Psychomotor Vigilance Performance
smartphone overuse and PVT
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Abstract
Background: Sleep is a biological requirement for human well-being and daily function, which can affect mental and physical health. Using electronic devices can have a significant negative effect on the individual’s sleep. The current study aimed to determine the impact of average minutes of pre-sleep media device use (MDU) on the psychomotor vigilance task (PVT) as one of the measures of vigilance in a sample of Iranian nurses.
Methods: A cross-sectional study was conducted on 200 nurses from Tehran, Iran, who underwent PVT testing. The association between PVT and the average minutes of pre-sleep MDU was evaluated using a multiple regression model and the Spearman correlation coefficient.
Results: After adjusting for age as a confounder, the mean PVT score significantly increased with longer average minutes of pre-sleep MDU (β = 0.85, p < 0.001). Notably, this increase was more substantial among nurses who used media devices for less than 100 minutes (β = 1.53, p < 0.001).
Conclusion: Our findings show that higher durations of pre-sleep MDU were associated with poorer PVT performance among nurses who used media devices for less than 100 minutes and were younger than 35 years old. Thus, it is essential to promote awareness among nurses about the average duration of pre-sleep MDU.
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| Files | ||
| Issue | Vol 16 No 1 (2024) | |
| Section | Original Article(s) | |
| Published | 2025-08-30 | |
| Keywords | ||
| media devices psychomotor vigilance performance nurse | ||
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