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 thriller genre produces more filler than almost any other — which makes the genuinely great entries stand out sharply, built on character and logic rather than formula.
Great thriller movies when you cant sleep are rare, but when you find them they are unforgettable. Every film on this list has earned its spot through quality, storytelling, and the ability to create exactly the right atmosphere. Come back whenever you need a trusted recommendation.