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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.
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Sleep-Wake Cycles

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High-Throughput Small Molecule Drug Screening For Age-Related Sleep Disorders Using Drosophila melanogaster

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Published on: October 20, 2023

Sleep, ageing and night work.

M L N Pires¹, C W Teixeira, A M Esteves

¹Departamento de Psicologia Experimental e do Trabalho, Universidade Estadual Paulista, Assis, SP, Brasil.

Brazilian Journal of Medical and Biological Research = Revista Brasileira De Pesquisas Medicas E Biologicas

|August 4, 2009

Summary

This summary is machine-generated.

Older night shift workers do not experience more disrupted sleep than younger ones. This study found age did not worsen sleep quality for night shift bus drivers, challenging common assumptions.

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Establishing a Device for Sleep Deprivation in Mice

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Published on: September 22, 2023

Area of Science:

Occupational Health
Sleep Medicine
Chronobiology

Background:

Sleep disorders and circadian adjustment difficulties increase with age, particularly for night shift workers.
Excessive sleepiness from disrupted sleep is a significant factor in workplace accidents.
Previous assumptions suggested older night workers are more vulnerable to sleep disturbances.

Purpose of the Study:

To investigate the impact of age on daytime and nighttime sleep patterns in long-haul bus drivers.
To compare sleep quality and duration between younger and older drivers on fixed day or night shifts.

Main Methods:

Polysomnography (PSG) was used to assess sleep patterns in 124 bus drivers.
Drivers were categorized by age (<45 and >=45 years) and shift type (day or night).
Sleep duration, efficiency, and rapid eye movement (REM) sleep were analyzed.

Main Results:

Daytime sleep was shorter and less efficient than nighttime sleep for all drivers.
Age had a significant effect on REM sleep, with younger drivers exhibiting greater amounts.
Contrary to expectations, older drivers did not show more significant sleep disruption than younger drivers.

Conclusions:

The study challenges the notion that older night workers are more adversely affected by daytime sleep.
Age-related differences in sleep patterns exist, particularly in REM sleep, but do not necessarily translate to greater disruption for older night shift workers.
Further research is needed to fully understand the complex interplay of age, shift work, and sleep.