by Peter Sullivan, 10 December 2015
Many people are now noticing that they do not sleep well after using electronic devices late at night. Some have attributed the sleep disturbance to exposure to blue light, since it is stimulating and is known to reduce melatonin levels at night. But that is only one part of the problem.
It is important to understand that wireless radiation and EMF (electromagnetic fields) emitted by these devices are basically light with a frequency that is below that which our eyes can perceive. We know that exposure to EMF can also draw down our melatonin levels, just like exposure to visible light at night. So, it may be helpful to think of wireless and EMF as invisible lights that should be turned off at night before bed, just like we naturally turn off visible lights.
Here are some basic tips for reducing exposure at night:
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