... sleeping temperature from 30 to 48 degree 2.Energy saving 3.Certificated:RTTE,SAA, CE,ETL,FSE,PTC,EMC,LVD,SCA Specifications Details ... a Poor sleeper, A number of physical problems can interfere with your ability to fall or stay asleep. For example, ... discomfort can make it difficult to sleep well. Sleep apnea, which is recognized by snoring and interrupted breathing, causes brief awakenings (often ...