Yuki Kinoshita and Noah Silverman of Plufl, a dog bed for humans, have an uphill climb convincing some of the Sharks that there's a need for their product. But Mark Cuban and Lori Greiner teamed up for a deal on Hug Sleep, a sleep pod, and they've been successful there -- so they might be interested. From 'Shark Tank' season 14, episode 5. Watch 'Shark Tank' FRIDAYS 8/7c on ABC. Stream on Hulu.