Geraldo Lorenzi-Filho and his team from Sao Paolo Medical School put 16 patients with moderate obstructive sleep apnoea syndrome on a daily regimen of exercises involving intermittent and continuous vowel pronunciation, tongue brushing and sucking movements.
A control group of 15 patients were given a sham regimen.
No significant changes were seen in the control group, but after three months patients given the exercise regimen saw improvements in their symptoms. They also had lower snoring intensity and frequency.
This is the first study of the effect of tongue and pharyngeal exercises on obstructive sleep apnoea, the researchers said.
'Our results suggest that these exercises are a promising alternative for the treatment of moderate obstructive sleep apnoea syndrome,' they said.
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