The sleep is not good, is the dangerous electrical appliances in unseemly behavior

the sound: So-called “the head sound” should not lay aside in the head. In principle any electric appliance thing should be far away from your bunk. Some people always complained that the sleep quality is not good, actually is very possible is the electric appliance which nearby the bunk lays aside in the unseemly behavior. handset battery charger: Brings transformer's low pressure power source general magnetic field to be very high, in the wiring place may measure above 300mG, but was away from the only 30 centimeters far immediately to fall to 1mG below. refrigerator: The electric refrigerator is a high magnetic field is, specially when the refrigerator is operating, exudes humming sound the sound, the refrigerator rear end or the underneath radiation pipeline releases front the magnetic field is higher than several dozens several hundred times (around refrigerator scope to be even observable 1-9mG, rear area midpoint may reach as high as 300mG).if refrigerator's efficiency is not high, humming sound the sound specially is long, is also specially big, if attracts with vacuum cleaner's radiation pipeline on dust, will raise refrigerator's efficiency, can also decrease in family's magnetic field.