Most bedbugs feed on their hosts while they are asleep. The peak time for feeding is between midnight and 5 am. Bites can be seen quickly but may take up to 14 days to become visible. Bed bugs need
On average, bed bugs feed every three or four days. This is the time it takes for them to digest their food, before they get hungry again. They eat far more than we do in terms of volume of food to body size. If you've ever seen a bed bug that's just fed, they're several times longer than an unfed bed bug.
The young emerge and immediately begin to feed or search for food. Nymphs and adults are able to survive long periods of time without food. Bed bugs usually live for a year to a year and a half. Three or more generations can occur each year. To stop bed bug reproduction, use an IGR (insect growth regulator).
How Often: Bed bugs like to feed every 5-10 days but can survive up to 18 months without food. Moving out will not help you get rid of bed bugs.
Once a bed bug finds a host, it will usually feed for 5 to 10 minutes until repletion. Sometimes the pattern of bed bugs feeing is jokingly referred to as breakfast, lunch and dinner as bites will often be found in a pattern.
Adult bed bugs generally only need to feed once a week. Therefore, you may not necessarily wake up every morning with red bumps, but it really depends on the size of the population you are looking at. However, it is possible for the pests to go longer periods of time without eating.