This definition can be contrasted with that proposed by life-span developmental psychologists: Development is a life-long process beginning at conception and ending at death (Honzik, 1984, p. 309). Development is thus extended to include the whole of life.
A cockroache can live up to 10 days without its head. In fact it doesn't die of suffication but of dehydration.  a cockroach can live up to a week without it's head because â¦it's brain is in its body. 1 person found this useful.
They can only actually live off of the head for up to 48 hours. It is not likely that they are living in your bedding but it can happen. If you have head lice you definitely n â¦ eed to vacuum your bed. You also need to wash your bedding on hot and dry them on high for 30 minutes.ead lice can usually live for about 30 days. But when you get head lice, they are very hard to get rid of. Even after treatments the hair should be combed out everyday to re â¦ move nits and everything in the home should be washed at least twice a week if possible.