Psychometric properties of each scale, for each study.

DF = Daydream Frequency; MW = Mind Wandering; rMEQ = reduced Morningness-Eveningness Questionnaire;PSQI Global = Global PSQI score (the sum of the seven components); PS-DD = Problem-Solving Daydreams;ESS = Epworth Sleepiness Scale; PANAS = Positive and Negative Affect Schedule; PA = Positive Affect;NA = Negative Affect.†Pearson, two-tailed; study 1, N = 75; study 2, N = 89; study 3, N = 171 (except MW = 73); all ps*Based on the seven separate components.以下为本次数据集涉及的缩写及对应术语：DF为白日梦频率（Daydream Frequency）；MW为心智游移（Mind Wandering）；rMEQ为简化版清晨-晚间型问卷（reduced Morningness-Eveningness Questionnaire）；PSQI Global为匹兹堡睡眠质量指数量表总分（Global PSQI score，即七个分量表得分之和）；PS-DD为问题解决型白日梦（Problem-Solving Daydreams）；ESS为爱泼沃斯嗜睡量表（Epworth Sleepiness Scale）；PANAS为正负性情感量表（Positive and Negative Affect Schedule）；PA为正性情感（Positive Affect）；NA为负性情感（Negative Affect）。†表示双侧皮尔逊相关分析；研究1样本量N=75，研究2样本量N=89，研究3样本量N=171（仅心智游移维度的样本量为73）；所有带*的p值均基于七个独立分量表计算所得。