長い労働時間と一貫性の感覚の相互作用:SLEPT研究からの横断的な研究
Kei Muroi1, Emi Morita1,2, Sumire Matsumoto1
1International Institute for Integrative Sleep Medicine (WPI-IIIS), Tsukuba Institute for Advanced Research (TIAR), University of Tsukuba, Tsukuba, Japan.
JMIR formative research
|September 3, 2025
まとめ
長い労働時間による睡眠不足から労働者を保護します. 延長された労働スケジュールに関連した全睡眠時間 (TST) の減少に対するより高いSOCバッファ,特に時間を減らすことができない人のために.
科学分野:
- 労働衛生について
- 睡眠医学
- 心理学
背景:
- 長い労働時間は睡眠時間の短縮の危険因子として知られています.
- 協調性の感覚 (SOC) は,睡眠に影響する仕事関連のストレスを防ぎます.
- SOCと睡眠期間に関する以前の研究は客観的なデータがない主観的な指標を使用しました.
研究 の 目的:
- 客観的に測定された総睡眠時間 (TST) のSOCと長い労働時間との相互作用を調査する.
- SOCが高ければ,長時間労働による睡眠の減少に対する感受性が低下するという仮説を検証する.
主な方法:
- 日本人労働者の横断調査 (2016年−2017年)
- SOC-13のスケールと自己報告による週間の労働時間によるSOCの評価
- 1週間のアクティグラフィを用いて客観的に測定されたTST; 長い労働時間は ≥50時間/週と定義されています.
- 多重回帰分析を使用して,長時間労働とTSTのSOCの相互作用を調べました.
主要な成果:
- 540人の労働者を分析した (平均年齢43.2歳,女性41.1%).
- 長い労働時間 (≥50時間/週) は,参加者の56. 3%が報告した.
- 長時間労働は,TSTを13.5分/夜 (P=0.023) に大幅に短縮した.
- TSTにおける長時間労働とSOCの間の有意な相互作用が認められた (P=.026).
- 長い労働時間による低SOC増幅睡眠減少 (β=-24.7,P=.0015).
結論:
- SOCの上昇は長時間労働に伴う睡眠不足を軽減する.
- SOCの低い個人は,要求の多い作業スケジュール下で,より大きなTSTの減少を経験します.
- SOCを向上させるための介入は,特に労働時間を短縮することができない場合に,労働者の睡眠の健康を保護することができます.
関連する概念動画
Substance Use Disorders Affecting Sleep
216
Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
Understanding the concepts of physical dependence,...
Understanding the concepts of physical dependence,...
216
Insufficient Sleep and Sleep Deprivation
210
Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
Sleep deprivation is a more severe form of sleep loss...
Sleep deprivation is a more severe form of sleep loss...
210
Management of Insomnia
320
The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...
320
Understanding Sleep
502
Sleep, an essential biological state, involves significant reductions in physical activity, sensory awareness, and interaction with the environment. This complex physiological process is primarily regulated by specific brain regions, notably the hypothalamus and pons, which govern the sleep-wake cycle or circadian rhythm.
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
502
Chronopharmacokinetics: Circadian Rhythms and Influence on Drug Response
123
Circadian rhythms are cyclic changes that are crucial in plasma drug concentrations. Various standard circadian parameters, including core body temperature, heart rate, and other cardiovascular factors, directly impact disease states and the therapeutic response to drug therapy.
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
123
Longitudinal Research
12.4K
Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
12.4K


