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Inventions

Inventions. Jin U Bak Gagyung Kim. Proposed Questions. Are there any interesting patterns in movement during sleep? Is there any relationship between sleep stages and movement?. Related Work. * Recognition of Sleep Patterns using a Bed Pressure Mat

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Inventions

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  1. Inventions Jin U Bak Gagyung Kim

  2. Proposed Questions • Are there any interesting patterns in movement during sleep? • Is there any relationship between sleep stages and movement?

  3. Related Work * Recognition of Sleep Patterns using a Bed Pressure Mat • Recognized sleep patterns collecting data from FSA bed pressure mat • Recognition of motion & motion types • Recognition of body postures

  4. Sleep Stages • Mainly consists of Non-Rapid Eye Movement (NREM) and Rapid Eye Movement (REM) sleep • NREM (N1  N2  N3)  N2  REM Sleep • Greater amount of deep sleep (stage N3) earlier in the sleep cycle • Increasing proportion of REM sleep later in the sleep cycle—just before natural awakening

  5. Sleep Stages—NREM • N1: beginning of sleep, slow eye movement Alpha waves disappear, theta wave appears • N2: no eye movement, rare dreaming, easily awakened • N3: delta waves occur (associated with “deep” sleep) • N4: delta waves dominate, common dreaming

  6. Sleep Stages—REM • Rapid-eye movement • Occupies 20-25% of total sleep • Usually four or five periods of REM sleep • Vivid dreams

  7. Sleep Smart • Flir Camera (Infrared Camera) Pathfindir • : body heat detection • Zeo Sleep Manager : measures sleeping patterns & sleep cycle • Matlab for coding • Additional Features: • 1) Synced with Email account • 2) Alert System • Comprehensive Personal • SLEEP MANAGER

  8. Overall Process 1. Purchased Flir Camera (Infrared Camera) & Zeo Sleep Manager Set

  9. Overall Process 2. Set up the Flir Camera to start recording videos

  10. Overall Process 3. Started Data gathering: both filming & Zeo

  11. Overall Process 4. Developed a program to graph the movement during sleep 5. Programmed an Alarm Clock Function 6. Discovering a correlation between sleep cycle and movement

  12. Results

  13. What we have found so far.. • Lots of movement while in REM, Light and Wake sleep stages • Big movement when there is a transition from one sleep stage to another

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