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Lucent DVR Sleep Detector
Lucent scientists have filed a patent application for a digital video recorder (DVR) that will detect when the user has fallen asleep - and will then turn off the DVR. As it turns out, Robert Heinlein had thought about this forty-five years ago.
(Lucent knows when you are sleeping)
According to Lucent, "the sleep detector may comprise an electronic camera for forming images of the viewer, and pattern recognition means connected to the electronic camera to monitor the physical condition of the viewer. For example, the pattern recognition means determine whether the viewer’s eyes are open or shut."
Alternatively, the "sleep detector" may be a device wearable by the user to monitor their physical activity or physiological status. This wearable device could include one or more of the following: an accelerometer, a heat flux sensor, a galvanic skin response sensor, a skin temperature sensor and a near-body ambient temperature sensor.
In his 1961 novel Stranger in a Strange Land, Robert Heinlein mentioned a similar device, used by people who read in bed. The pages of the book "spool" were projected on the ceiling - but what happened if the user fell asleep?
Jill decided that she would probably not oversleep, crawled into bed, slid the spool into the reading machine, lay back and scanned the words streaming across the ceiling. Presently the speed control slipped out of her relaxed fingers, the lights went out and she slept.
(Read more about Robert Heinlein's reading machine)
If you are interested in other science fictional sleep aids made real, take a look at the Yumemi Kobo Dream Factory and the Metronap sleep pod. Thanks to Zatz Not Funny for bringing this one to our attention.
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