In the months leading up to Black Friday, the world’s leading direct-to-consumer sleep brand turned to Grafana Cloud, k6, and Loki to implement an observability strategy that would ensure the best user experience and system stability during the biggest shopping period of the year. In this talk, you’ll hear how Grafana helped the team monitor the integration between two systems (old and new) to check if the split of traffic was working; how they set up alerting; and how both technical and business teams relied on key dashboards so they didn’t have to lose any sleep.