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The common cold virus can reproduce itself more efficiently in the cooler temperatures found inside the nose than at core body temperature, according to a new Yale-led study.
A new study of twins suggests that insomnia in childhood and adolescence is partially explained by genetic factors.
Researchers report that sleeping in the same room as smartphones or other devices with small screens can have a negative impact on the amount of sleep that schoolchildren get.
Although strict rest - sometimes for several days, in a darkened room - is standard care for concussed patients, a new study suggests it may actually impede recovery.