When you can't sleep, the right film is less about entertainment and more about finding something absorbing enough to quiet your thoughts without wiring you further awake. The documentaries that stay with you are the ones that make you question your assumptions before the film is finished — not about the subject, but about how you were looking at it.
The next time you are planning a night when you cant sleep and need a documentary movie that actually delivers, start here. This list is updated regularly so the recommendations stay fresh. And if you find a favourite, check out its dedicated page for more details, cast info, and similar films you might love.