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Related Concept Videos

Insomnia01:27

Insomnia

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Insomnia is a prevalent sleep disorder characterized by difficulty falling asleep, frequent awakenings during the night, and waking up too early without being able to return to sleep. People with insomnia often experience these disruptions at least three nights a week for at least one month. Chronic insomnia, which lasts for at least three months, can lead to increased anxiety, which in turn can worsen sleep difficulties, creating a cycle of sleeplessness and stress.
Multiple factors contribute...
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Management of Insomnia01:19

Management of Insomnia

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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...
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Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

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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...
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Sleep-Wake Cycles01:24

Sleep-Wake Cycles

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Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and  rapid eye movement (REM).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
2.9K
Sedatives and Hypnotics Drugs: Miscellaneous Agents01:17

Sedatives and Hypnotics Drugs: Miscellaneous Agents

955
Sedatives and hypnotics encompass a wide range of substances, each with its unique mechanism of action, uses, and potential adverse effects.
Melatonin congeners like ramelteon (Rozerem) and tasimelteon (Hetlioz) selectively bind to melatonin receptors (MT1 and MT2) and thus mimic the actions of melatonin, a hormone that regulates sleep-wake cycles. Tasimelteon is primarily used for non-24-hour sleep-wake disorder, common in blind patients. They are also used to treat conditions like insomnia...
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Narcolepsy01:07

Narcolepsy

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Narcolepsy is a chronic sleep disorder characterized by pervasive, uncontrolled sleepiness and other sleep disturbances. One of its hallmark symptoms is an abrupt transition to REM sleep upon falling asleep, which causes symptoms typically associated with this phase to occur unexpectedly during wakefulness. These include the following symptoms, which typically last from a minute or two to half an hour.
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Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
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Insomnia in shift work.

Annie Vallières1, Aïda Azaiez2, Vincent Moreau3

  • 1École de psychologie, Pavillon Félix-Antoine-Savard, 2325 rue des bibliothèques, Bureau 1044 Université Laval, Québec, QC G1V 0A6, Canada; Centre d'étude des troubles du sommeil, Centre de recherche Institut Universitaire en santé mentale de Québec, 2525 de la Canardière, Beauport, Québec G1J 2G3, Canada; Centre de recherche du Centre hospitalier universitaire de Québec, Québec, Canada.

Sleep Medicine
|October 4, 2014
PubMed
Summary
This summary is machine-generated.

Insomnia significantly impacts shift workers, causing anxiety, depression, and fatigue similar to day workers with insomnia. It worsens health and productivity more than shift work itself.

Keywords:
ConsequencesHealthShift work disorderSleep difficultiesWork schedule

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Area of Science:

  • Occupational Health
  • Sleep Medicine
  • Psychology

Background:

  • Shift work disorder is characterized by sleep disturbances linked to work schedules.
  • This study investigates how insomnia affects the health of night and rotating shift workers compared to day workers.

Purpose of the Study:

  • To assess the impact of insomnia on the physical and psychological health of shift workers.
  • To compare health outcomes between shift workers with and without insomnia.

Main Methods:

  • 418 adults (night, rotating, and day workers) were analyzed.
  • An algorithm identified insomnia symptoms in shift workers, who were then matched with day workers.
  • Participants completed questionnaires on sleep, health, and psychological well-being.

Main Results:

  • Insomnia, not shift work itself, was the primary driver of poor sleep profiles and related health issues.
  • Insomnia correlated with anxiety, depression, fatigue, chronic pain, and otorhinolaryngology problems across all worker groups.
  • Work productivity and absenteeism were more strongly associated with insomnia than with shift type.

Conclusions:

  • Insomnia is a critical factor in shift workers' sleep problems and overall health.
  • Insomnia exacerbates physical and mental health issues, negatively impacting shift workers' quality of life.