Table 5. Correlations with PSQI items 5b–5j, 8 and 9.
| Daydream Frequency | Mind Wandering | Chronotype (rMEQ) | |||||
| PSQI item | Study 1 | Study 3 | Study 2 | Study 3 | Study 1 | Study 2 | Study 3 |
| 5b Wake up in the middle of the night or early morning | .146* † | .103 | .140 | .116 | .041 | −.009 | .019 |
| 5c Have to get up to use the bathroom | .236** | .153* | −.075 | .067 | .008 | .096 | .066 |
| 5d Cannot breathe comfortably | .101 | .028 | .050 | .078 | −.013 | .023 | −.083 |
| 5e Cough or snore loudly | .027 | .064 | .001 | .105 | −.108 | −.064 | −.125* |
| 5f Feel too cold | .263*** | .191** | .184* | .112 | −.105 | −.028 | −.003 |
| 5g Feel too hot | .045 | .159** | .111 | .183** | −.059 | −.089 | −.042 |
| 5h Had bad dreams | .100 | .125* | .194** | .030 | −.025 | −.134 | −.029 |
| 5i Have pain | .177** | .013 | .160* | −.009 | −.157* | .048 | .013 |
| 5j Other | .128 | .084 | .188** | .102 | −.094 | −.078 | −.034 |
| 8 Trouble staying awake | .323*** | .342*** | .389*** | .356*** | −.286*** | −.180* | −.213*** |
| 9 Lack enthusiasm to get things done | .319*** | .281*** | .303*** | .396*** | −.179** | −.166* | −.185** |
Study 1, N = 213; Study 2, N = 190; Study 3, N = 270.
*p≤.05;
** p≤.01;
*** p≤.0005.
†
Partial correlations, controlling for age.