There are several reasons whey you are experiencing bug bites in bed. Causes include insects or non-insect based reasons as listed below. Insect based reasons for what appears to be bites in bed:. It is difficult to identify one cause of body itch or irritation from another, although each has specific signs. For example bug bites on elbows could be caused by bed bugs. Other insects, such as chigger bites, result in delayed skin reactions that could be attributed to happening during sleep.
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A bed bugs bite is actually a skin puncture. Some people have an allergic reaction to the fluids injected by the bed bug while others do not. The bites are not dangerous, but might itch. It is rare for a bedbug to bite the face or bottoms of the feet.