Table 1: Prevalence of nightmares and overall sleep duration separated for reported nightmare frequencies.
Prevalence | Sleep Duration | ||
Nightmares | Percent | M | SD |
Never | 38.9% | 453.23 | 66.96 |
Less than once a week | 36.9% | 462.08 | 67.90 |
Once/twice a week (weekly nightmares) | 18.5% | 454.77 | 77.34 |
3 times or more per week (frequent nightmares) | 5.8% | 450.05 | 90.53 |