The silent period is a phase reported to have been observed in second language acquisition where the learner does not yet produce but is actively processing the L2. This silent period has been claimed to be typically found in children and has been called the second stage of second language acquisition, following the use of L1 and preceding productive use of L2, and can last between a few weeks to a year. The silent period is a phase reported to have been observed in second language acquisition where the learner does not yet produce but is actively processing the L2. This silent period has been claimed to be typically found in children and has been called the second stage of second language acquisition, following the use of L1 and preceding productive use of L2, and can last between a few weeks to a year.