The Zeigarnik Effect
In 1927 the Russian psychologist Bluma Zeigarnik found that waiters only remembered orders while they were in the process of being served. Once the transaction was completed, they immediately forgot the details. This led Zeigarnik to formulate the general principle that "we remember better that which is incomplete or unfinished".
Arguably this is the basis on which the cliff-hanger ending works, and it's a staple of much educational practice. It's also been recommended as a tool for writers: rather than finish your day's writing with a completed scene, leave it hanging. The next day you can take up where you left off, which gives you momentum for the subsequent scene.
Do any of you work like this? I've tried it, and found is thoroughly unsatisfactory. A scene which will be flowing one day (particularly if it's dialogue-intensive) will be drained of life when I take it up the next day. If I'm working on a scene, I have to finish it in one sitting (or at least stop at a natural break within the scene). I can then think about the next day's writing overnight so that I'm ready to go when I sit down at the screen.
Does the Zeigarnik Effect work for you?