Home / English / Do we know what happens when we are asleep? English Do we know what happens when we are asleep? Posted on10/08/202202/07/2022 Updated on02/07/2022 No, we do not know what happens when we are asleep. Related posts: What is the most obvious advantage of sleep? What happens to our body when we sleep? Define a dream in your own words? Why are dreams important? Mention two reasons.