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General information about wool

 

The Research

Tests conducted in Germany and Wales have proven the superiority of wool over synthetic (polyester) duvets. The following results were obtained from tests conducted at the Polytechnic in Wales:

• Wool maintained better body temperature levels
• About 80% of the time, other fibres induced significant body temperature escalations above the optimum 33 °C - thus wool is far more comfortable to sleep under
• Heart rate was lower 100% of the time when Sleeping under wool
• Relative humidity was much lower for 70% of the time resulting in a higher comfort level for the sleeper
• When room temperatures were increased to 22 °C, the sleeper threw off synthetic but not the wool duvets, although the sleeper still exhibited signs of restlessness.
• The sleeper was not necessary aware of these differences as they accured primarily during deep sleep phases.