Unemployment is at a 40-year low and wages are starting to tick up, but the number of people working multiple jobs hasn’t changed in more than a decade. Why? Then: Mattress Firm has filed for bankruptcy, citing poor sales. The sleep business has changed a lot in recent years, in part because starting your own online bed-in-a-box company is really, really easy. Plus, as always, we’ll review the economic news of the seven days gone by on the Weekly Wrap.