What Is Meant by the "Sleeper Effect" in Understanding the Consequences

What is meant by the "sleeper effect" in understanding the consequences of divorce?

A) Children of divorce may not feel its harmful consequences until years after the divorce.
B) Children of divorce have trouble sleeping for years after the divorce.
C) Adults experience a resurgence of love for their divorced spouses for years after their divorces.
D) Adults require sleeping medications for years after their divorces because of persistent depression.