There are a lot of reasons for bad sleep and most of the time there are several sleep disturbing factors. But, due to lack of knowledge many causes often remain concealed and therefore are not taken into account. Representatively, an example with a supposedly minor cause that can have a major effect. It’s the popular quartz wrist watch.
Although these crystal-controlled watches run with a battery in milli-ampere-range, however, the crystal of these modern quartz watches is oscillating with 32 786 oscillations per second. This causes a magnetic field that can be verified by magnetic field detectors or field probes in the range of 0.6 – 1.2. ampere/meter. The organism absorbs these magnetic oscillations via the skin. For sensitive people, this amount is enough to care for a restless sleep and disturbed phases of regeneration.
Out of this reason, it is advisable to take off crystal-controlled watches during sleeping and to store them in an adequate distance to the sleeping place. By the way, this is also true for quartz alarm clocks that often are positioned in close proximity of the head. In any case, this applies to all electrically driven radio alarm clocks, since they are producing a strong magnetic field with a radius of up to one meter.
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