Mary Morrell on sleep apnoea

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Up to 4 per cent of adults, and as many as
one-third of older people, suffer from sleep apnoea, or interrupted
breathing during sleep. Mary Morrell’s research sleep lab at
the Royal Brompton Hospital investigates why, and she talks to the
Wellcome Trust's Siân Aggett about her
work.
At 02.30 Professor Morrell refers to the object below, an
amplifier for electroencephalogram (EEG) electrodes used to measure
brain activity during sleep.

This packed lunch event was recorded live
on 6 June 2012 at Wellcome Collection.
Image: Sleep
Study by Bandido of Oz on Flickr.