on PinterestRecent research has found an association between sleep duration and biological aging. Image Credit: ArtistGNDphotography/Getty ImagesA recent study found that too little or too much sleep may speed aging in the brain and other organs.
on PinterestRecent research has found an association between sleep duration and biological aging. Image Credit: ArtistGNDphotography/Getty Images
- A recent study found that too little or too much sleep may speed aging in the brain and other organs.
- The study used aging clocks to examine associations between sleep and various mental health and medical conditions.
- The researchers also found a direct link between sleep and late-life depression.
Sleep is an important aspect of overall health and emotional well-being. The amount and quality of sleep you get can affect your body in various ways.
A recent study published in Nature found that getting too little or too much sleep may speed aging in the brain and other areas of the body.
Previous research has linked low sleep to faster brain aging. This study, however, takes that further and shows an association between the amount of sleep you get and the aging of nearly every organ.
“Sleep is fundamental for healthy aging and longevity. More importantly, it is potentially modifiable,” said lead study author Junhao Wen, PhD, assistant professor of radiological sciences at Columbia University. “In this study, we measure biological aging clocks across organs to link these clocks with sleep duration,” Wen told Healthline.
Sleep duration may speed up aging in brain, organs
Chronological age is the number of years you have been alive. Biological age measures how quickly your cells and tissues are aging.
Studies like this examine biological aging and the various factors that can affect it.
Aging clocks have become increasingly popular in these types of studies. These clocks are scientific, computational models that estimate a person’s biological age and how they are aging faster or slower than their chronological age. These estimates are based on biological data from the individual.
Most aging clocks measure age across the whole body. However, organs may age at different rates. The research team behind the study has been instrumental in developing aging clocks for specific organs. These clocks can provide more specific and personalized information to individuals.
The study used data from half a million participants in the UK Biobank and machine learning to identify signatures of aging in the organs.
The researchers then assessed the relationship between a person’s self-reported sleep duration and their biological age, using 23 aging clocks across 17 organs.
The study defined too little sleep as less than 6 hours and too much sleep as more than 8 hours.
They found that, in general, people who slept too little or too much showed signs of faster biological aging than those who reported sleeping between 6.4 and 7.8 hours each day.
It is important to note that this doesn’t mean that your sleep duration alone causes organs to age faster or slower. However, it does suggest that both too little or too much sleep may play a role in poorer overall health across your body.
“Short sleep duration is associated with immune dysregulation and increased systemic inflammation, impairing tissue repair and metabolic homeostasis. It also disrupts glucose regulation and overall energy balance,”
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