Why do we forget our dreams?

On average, we remember just one dream per week, and around 5% of us never remember any. But in reality, we all dream; it’s just that some of us never have any recollection of doing so. So why is it then that certain dreams stay with us, while others fade away immediately?

It’s important to be aware that over the course of a night, we go through various phases of slow sleep, including deep sleep and REM sleep which is short for rapid eye movement sleep. A new cycle begins around every 90 minutes. And it’s during...