Answered: Dolphins sleep with one eye open. True or False? Posted on June 21, 2022June 21, 2022 by admin The Microsoft Rewards Bing Home Trivial quiz is: Dolphins sleep with one eye open. True or False? The options given are listed below: TrueFalse The correct answer to this Microsoft Rewards Bing Home Trivial quiz is: True Microsoft Rewards Bing Search Homepage Quiz Contents hide 1 The Microsoft Rewards Bing Home Trivial quiz is: Dolphins sleep with one eye open. True or False? 2 The correct answer to this Microsoft Rewards Bing Home Trivial quiz is: True