Another natural way to prevent bed bugs from biting you during the night and stop them infesting other parts of your home is to encase mattresses and pillows. Encasements for mattresses, spring boxes, and pillows are tightly woven covers that prevent bed bugs from entering or escaping. The encasements should be kept on for at least a year to ensure that all the bed bugs die naturally.
The National Pesticide Information Center recommends using encasements to protect your bed from bed bug infestations. In addition to encasing your bed items, they also recommend placing bed bug traps (such as this one) under your bed legs to stop bed bugs crawling up.