Don't Let the Bed Bugs Bite Act of 2008 - Authorizes the Secretary of Commerce to provide grants to an eligible state to assist the state, if the State has established a program to inspect at least 20% of rooms in lodging facilities in the state, for cimex lectularius, commonly know as the bed bug. Allows a state to use a grant to conduct inspections, train inspection personnel, and educate lodging proprietors and staff about prevention and eradication of bed bugs.