Among the most distinctive sounds of Australian aboriginal music are the low drones of didgeridoos—long instruments made from termite-hollowed tree limbs. Alex Suarez, a Swiss didgeridoo instructor, noticed that since taking up the instrument, he and his students experienced less daytime sleepiness and nighttime snoring. A study by Suarez and Swiss sleep scientists now concludes that playing such wind instruments may be therapeutic to individuals plagued by sleep problems.
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