In order to be able to assess whether baking soda kills bed bugs, we first need to understand bed bugs and why they love your bed and your home. Bed bugs are small brown insects that grow until they are a quarter of an inch long as an adult. Bed bugs like to feed on human blood, especially when they are more active at night. Although their bites are not painful, the red, agitated bumps and itching they leave on their victims are not. Female bed bugs lay about one to seven eggs each day. Therefore, a small number of bed bugs grow quickly, turning into a complete invasion. Although bed bugs usually do not carry any diseases, its presence still causes skin irritation and sleep loss.