Comparison 6. Bright light at night plus glasses at dawn versus normal light (unclear lux) and no glasses.
Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
---|---|---|---|---|
1 Sleepiness during the night shift (Psychomotor Vigilance Test: Median Reaction Time ‐ milliseconds) | 1 | Mean Difference (IV, Fixed, 95% CI) | Totals not selected |