非恢复性睡眠量表（NRSS）的编制与验证。
Development and validation of the Nonrestorative Sleep Scale (NRSS).
机构信息
University of Toronto, Toronto, ON, Canada.
出版信息
J Clin Sleep Med. 2013 Sep 15;9(9):929-37. doi: 10.5664/jcsm.2996.
STUDY OBJECTIVES
Nonrestorative sleep (NRS) is defined as the subjective feeling that sleep has been insufficiently refreshing, often despite the appearance of physiologically normal sleep. While NRS has been shown to be associated with a variety of cognitive, affective, and medical complaints, there is currently no valid, reliable instrument available in the public domain for its assessment. The purpose of this study was to develop and validate the nonrestorative sleep scale (NRSS).
PARTICIPANTS
The scale was administered to a sample of 226 (age: 46.7 ± 14.9 years; gender: 48% female) consecutive sleep clinic patients and to 30 control participants (age: 36.9 ± 12.5; gender: 53% female).
RESULTS
Data screening led to a final instrument of 12 items, and factor analysis resulted in 4 factors accounting for 73.2% of total variance. The scale demonstrated excellent internal reliability (α = 0.88) and good test-retest reliability (r = 0.72). Preliminary evaluations of construct validity found that certain subscales correlated reasonably well with previously validated sleep, alertness, and affective scales. Comparisons between global NRSS scores and objective polysomnographic variables revealed a few very small but significant correlations.
CONCLUSIONS
Based on these findings, the NRSS was confirmed to be a valid and reliable tool for the assessment of nonrestorative sleep.
研究目的
非恢复性睡眠（NRS）定义为睡眠感觉不足够恢复精力，尽管生理上的睡眠看起来正常。虽然 NRS 已经被证明与各种认知、情感和医学抱怨有关，但目前在公共领域没有有效的、可靠的评估工具。本研究的目的是开发和验证非恢复性睡眠量表（NRSS）。
参与者
该量表被用于 226 名连续睡眠诊所患者（年龄：46.7±14.9 岁；性别：48%为女性）和 30 名对照组参与者（年龄：36.9±12.5 岁；性别：53%为女性）。
结果
数据筛选导致最终形成 12 个项目的仪器，因子分析得出 4 个因子，占总方差的 73.2%。该量表表现出良好的内部可靠性（α=0.88）和良好的重测信度（r=0.72）。对结构有效性的初步评估发现，某些子量表与先前验证的睡眠、警觉和情感量表相关性良好。全球 NRSS 评分与客观多导睡眠图变量之间的比较显示出一些非常小但显著的相关性。
结论
基于这些发现，NRSS 被证实是评估非恢复性睡眠的有效可靠工具。
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