Waves that Clear Waste From the Brain During Sleep Are Impaired in Older Adults
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4 Articles
Medical Xpress
MITWaves that clear waste from the brain during sleep are impaired in older adults
As people age, they may sleep for shorter periods and wake up more frequently during the night. In addition to those disruptions, MIT researchers have now discovered that a process responsible for flushing waste from the brain during sleep is commonly impaired in older people.
Aging reduces the brain's waste-flushing process during sleep
As people age, they may sleep for shorter periods and wake up more frequently during the night. In addition to those disruptions, MIT researchers have now discovered that a process responsible for flushing waste from the brain during sleep is commonly impaired in older people.
MIT found that the cerebrospinal fluid waves that help remove debris from the brain during sleep are smaller in older adults, and that part of the difference is related to vascular changes. The finding opens questions about brain aging and whether future interventions could modify that flow.
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