The U.S. Food and Drug Administration (FDA) issues a warning letter to Happiest Baby Incorporated, the maker of the SNOO baby bassinet. According to the FDA, the company is in violation of regulatory requirements related to the products it sells. The FDA alleges that Happiest Baby sold some products that it says are unauthorized. The agency also cites concerns about unsanitary conditions connected to the company’s operations. The reporting describes the action as an FDA warning letter, which is typically used to inform a company of alleged violations and to require corrective action. The provided accounts do not include further details about the specific products the FDA considers unauthorized, the exact nature of the unsanitary conditions, or whether Happiest Baby has responded or plans remediation. The story is presented as an FDA enforcement step involving the SNOO product line and the company’s compliance with applicable standards.