Comparison 2. Bright light alone at night versus normal light (300 lux) plus placebo capsule.
Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
---|---|---|---|---|
1 Sleepiness during the night shift (5‐min. Reaction Time Test ‐ milliseconds) | 1 | Mean Difference (Fixed, 95% CI) | Totals not selected | |
2 Total sleep time, next day (Actiwatch ‐ hours) | 1 | Mean Difference (Fixed, 95% CI) | Totals not selected | |
3 Sleep onset latency, next day (Actiwatch ‐ minutes) | 1 | Mean Difference (Fixed, 95% CI) | Totals not selected | |
4 Sleep efficiency, next day (Actiwatch ‐ %) | 1 | Mean Difference (Fixed, 95% CI) | Totals not selected |