Prototype Lullaby, developed by the University of Washington, is a little further. He does not just tells you slept badly, but it helps to understand the reason.
The secret is that the device should not only you, but also for the environment: the room temperature, light intensity, background noise — all ties with the testimony of the same "Fitbita" that you do not forget to wear on your wrist. In addition to the infrared camera photographing a sleeping every 15 seconds, and for the morning coffee you can enjoy themselves with a Tablet application, scratch my head and draw conclusions.
By the way, the developers have taken care of privacy by allowing the user to remove unwanted footage and nightly conversations. In addition, the device can be turned off at any time.
Two-week-four volunteers were tested. One of them discovered that he snores, and another found that revolves heavily in his sleep. The third was able to determine in what phase of sleep becomes a lunatic.
Transmitting data to scientists, all erased conversations that they were in bed, and other intimate moments. But the information collected directly during sleep remained. This is understandable — the study signed primarily by those who wanted to solve their sleep problems.
Prepared according to Technology Review.