There was a sci-fi book written about 50 years ago that postulates that time is quantum-like and sort of like the stills from a movie. Between each quantum of 'your' universe's time, there's space for billions of quantums of 'other universe's' times.<p>"Occam's Razor" -<a href="https://www.amazon.com/Occams-Razor-David-Duncan/dp/B000O8GD9K" rel="nofollow">https://www.amazon.com/Occams-Razor-David-Duncan/dp/B000O8GD...</a>