Sleep and brain function

Of course we all worry about the possibility of deteriorating brain function as we get older, well there is something positive you can do about it ( apart from daily crossword puzzles and sudoku) and that is get 7 hours sleep a night.

Latest research shows that those who get less than seven hours or, and this is the surprise finding, sleep for a long time, are more likely to show impaired cognitive function.

Researchers have found that the brain needs a steady 7 hours quality sleep in order to re-generate itself.

Find out more on BBC Radio 4 womans Hour 19 May 10am podcast.