Characteristics and correlates of sleep duration, daytime napping, snoring and insomnia symptoms among 0.5 million Chinese men and women

Inadequate sleep duration and insomnia can affect both physical and mental health. There is limited evidence, however, on characteristics and correlates of sleep patterns and of insomnia in urban and rural China.

from #ORL-AlexandrosSfakianakis via ola Kala on Inoreader http://ift.tt/2BOh1Ft