Wednesday, 20 August 2014

Why getting older can make sleep a struggle: We lose the brain cells that 'switch off' our thoughts

Elderly people may struggle to sleep as well as they did during their youth because they start to lose part of the brain that helps them ‘switch off’, scientists believe.

Researchers have identified a group of cells which blocks off conscious thoughts, allowing us to sleep.

They think these inhibitory neurons are gradually eroded as we age, leading to greater sleep problems in later life.

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