根据实际睡眠时间和睡眠呼吸障碍的不同，主观和客观睡眠时间的差异：长滨研究。
Differences between subjective and objective sleep duration according to actual sleep duration and sleep-disordered breathing: the Nagahama Study.
机构信息
Department of Respiratory Care and Sleep Control Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
出版信息
J Clin Sleep Med. 2022 Mar 1;18(3):851-859. doi: 10.5664/jcsm.9732.
STUDY OBJECTIVES
Since subjective sleep duration (SSD) is considered to be longer than objective sleep duration (OSD), results of SSD minus OSD (SSD-OSD) might always be thought to be positive. Some recent reports showed different results, but exact results have not been obtained. The difference between SSD and OSD may change according to OSD. We investigated this difference and its association with sleep-disordered breathing (SDB) or nonrestorative sleep.
METHODS
This cross-sectional study evaluated 6,908 community residents in Nagahama, Japan. SSD was determined by self-administered questionnaire. OSD was measured by wrist actigraphy and sleep diary. SDB was assessed according to the 3% oxygen desaturation index adjusted for OSD.
RESULTS
Worthy of notice was that SSD was shorter than OSD for those with SSD longer than 6.98 hours in all participants, 7.36 hours in males, and 6.80 hours in females. However, SSD was longer than OSD (mean ± SD: 6.49 ± 1.07 vs 6.01 ± 0.96; < .001) overall, as SSD is considered to be longer than OSD. In patients with SDB, the difference between SSD-OSD was greater when OSD was horter. The difference also depended on SDB severity. The degree of positivity between OSD and SSD was a significant factor in nonrestorative sleep (odds ratio: 2.691; < .001).
CONCLUSIONS
When OSD was slightly less than 7 (6.98) hours, participants reported or perceived SSD > OSD. When OSD was > 6.98 hours, participants reported or perceived SSD < OSD. Patients with SDB reported longer SSD than OSD according to severity of SDB. Evaluating SSD, OSD, and their differences may be useful for managing sleep disturbances, including nonrestorative sleep.
CITATION
Takahashi N, Matsumoto T, Nakatsuka Y, et al. Differences between subjective and objective sleep duration according to actual sleep duration and sleep-disordered breathing: the Nagahama Study. . 2022;18(3):851-859.
研究目的
由于主观睡眠时长（SSD）被认为长于客观睡眠时长（OSD），因此 SSD 减去 OSD（SSD-OSD）的结果可能始终为正。一些最近的报告显示了不同的结果，但并未得出确切的结果。SSD 与 OSD 的差值可能会根据 OSD 而发生变化。我们调查了这种差异及其与睡眠呼吸障碍（SDB）或睡眠质量差的关系。
方法
本横断面研究评估了日本长滨市的 6908 名社区居民。SSD 通过自我管理问卷确定。OSD 通过腕动描记法和睡眠日记测量。根据 OSD 调整的 3%氧减指数评估 SDB。
结果
值得注意的是，在所有参与者中，SSD 长于 6.98 小时、男性 SSD 长于 7.36 小时和女性 SSD 长于 6.80 小时的情况下，OSD 短于 SSD。然而，总体而言，由于 SSD 被认为长于 OSD，所以 SSD 仍长于 OSD（均值±标准差：6.49±1.07 比 6.01±0.96；<0.001）。在 SDB 患者中，当 OSD 更短时，SSD-OSD 的差值更大。该差值还取决于 SDB 的严重程度。OSD 与 SSD 之间的正差值程度是睡眠质量差的一个显著因素（比值比：2.691；<0.001）。
结论
当 OSD 略小于 7 小时（6.98 小时）时，参与者报告或感知到 SSD>OSD。当 OSD 大于 6.98 小时时，参与者报告或感知到 SSD<OSD。根据 SDB 的严重程度，SDB 患者报告的 SSD 长于 OSD。评估 SSD、OSD 及其差值可能有助于管理睡眠障碍，包括睡眠质量差。
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