Related Experiment Video
Updated: Mar 22, 2026

07:33
Noninvasive, High-throughput Determination of Sleep Duration in Rodents
Published on: April 18, 2018
8.4K
Short sleep duration increases salivary IL-6 production
Érica Lui Reinhardt1, Pedro A C M Fernandes2, Regina P Markus2
1a National Technical Center , Fundacentro, São Paulo , Brazil.
Chronobiology International
|April 13, 2016
Summary
Shorter sleep duration in morning shift workers is linked to elevated salivary interleukin-6 (IL-6) levels. This finding suggests sleep duration impacts inflammatory markers in shift workers.
Area of Science:
- Occupational Health
- Sleep Medicine
- Immunology
Background:
- Morning shift work is associated with sleep restriction.
- Sleep restriction has been previously linked to increased plasma interleukin-6 (IL-6) levels.
Purpose of the Study:
- To investigate the impact of sleep duration on salivary IL-6 levels in morning shift workers.
- To compare salivary IL-6 in workers with shorter versus longer sleep durations.
Main Methods:
- Sleep duration was objectively measured using actigraphy in morning shift workers.
- Salivary IL-6 levels were measured at 14:00 h, bedtime, and wake time.
- Workers were categorized into "shorter sleep duration" (SSD) and "longer sleep duration" (LSD) groups.
Main Results:
- Workers with shorter sleep duration (SSD) exhibited higher salivary IL-6 levels at bedtime and 14:00 h compared to those with longer sleep duration (LSD).
- The SSD group did not display daily variations in IL-6 levels.
- SSD was associated with increased salivary IL-6 content.
Conclusions:
- Shorter sleep duration in morning shift workers is associated with elevated salivary IL-6.
- Sleep duration may influence inflammatory markers, specifically IL-6, in this occupational group.
More Related Videos
Related Concept Videos
Insufficient Sleep and Sleep Deprivation
1.2K
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...
1.2K
Salivary Glands and Saliva
3.1K
The salivary glands, of which there are three pairs known as the parotid, submandibular, and sublingual glands, play a crucial role in maintaining oral health and initiating the digestive process. Positioned near the ears, beneath the masseter muscle, the parotid glands secrete saliva into the oral cavity through the parotid duct of Stensen. Meanwhile, the submandibular glands, located on the floor of the mouth, secrete saliva through channels named submandibular ducts. The sublingual glands,...
3.1K
Understanding Sleep
1.8K
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...
1.8K
Stages of Sleep
1.7K
Sleep progresses through distinct stages, each characterized by specific brain wave patterns and physiological responses ranging from wakefulness to stages of non-rapid eye movement, known as non-REM, to rapid eye movement, referred to as REM. Understanding these stages helps in recognizing how sleep supports various bodily and cognitive functions.
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
1.7K
Management of Insomnia
766
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...
766
Substance Use Disorders Affecting Sleep
524
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,...
524

