Can fleas live in your bedding? Fleas can live in beds for about one to two weeks, and they like to burrow under sheets. Fleas need blood to survive, though, so they won't stay in one place for too long if there is no food source.
People Also Ask
Sand flea bites. Sometimes, not always, the female sand flea lays her eggs underneath the skin; the large welts will have a black dot in the center. If that happens, you should seek medical attention because the black dot indicates eggs have been laid.
The adult female sand flea burrows into the skin and grows 2000 times in size as eggs develop. The female flea typically lives for 4–6 weeks, during which the eggs are expelled and fall to the ground.