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Snorers may think they face no greater problems than an occasionally angry spouse.
But if you snore, it could make it harder to remember past memories from your life.
People - Sleep - Apnoea - Cause - Snoring
People with obstructive sleep apnoea, a leading cause of snoring, have worse memories of years gone by.
They struggle to remember specific details, such as colleagues' names or the house number and street they used to live in.
Time - Someone - Apnoea - Snores - Throat
Every time someone with sleep apnoea snores, their throat is constricting to block their airway, which also cuts off oxygen to the brain.
Experts believe this may destroy grey matter in the part of the brain important for logging memories.
Study - People - Apnoea - People - Britain
A study of 44 people with sleep apnoea, which affects 1.5million people in Britain and up to a third of pensioners, found they have much worse memories for life details from early adulthood.
Asked to recount their personal histories, more than half had an 'over-general' memory, where they struggled to remember specifics.
People - Age - Problem - Memories
For healthy people of the same age, fewer than one in five had this problem, with most able to provide detailed memories.
Dr Melinda Jackson, who led the study from RMIT University in Australia, said: 'Our study suggests sleep apnoea may impair the brain's capacity to either encode or consolidate certain types of life memories, which makes it hard for people to recall details from the past.'
'Brain - Scans - People - Apnoea - Show
She added: 'Brain scans of people with sleep apnoea show they have a significant loss of grey matter from regions that overlap with the autobiographic memory network.'
Researchers recruited people aged 20 to 69 with sleep apnoea, which causes snoring and interrupted sleep when the walls of the throat relax and prevent breathing.
Memories - Childhood
They were asked to recall three memories each from their childhood, early...
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