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39 th Joint School Science Exhibition Competition

39 th Joint School Science Exhibition Competition. Science Unlimited, Health Potentiated. Group 26. Shatin Tsung Tsin Secondary School. Project Holders: (Tony) Leung Chun Yam (Chloe) Lai Ka Ni (Kim) Lam Chun Kong

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39 th Joint School Science Exhibition Competition

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  1. 39th Joint School Science Exhibition Competition Science Unlimited, Health Potentiated

  2. Group 26 Shatin Tsung Tsin Secondary School Project Holders: (Tony) Leung Chun Yam (Chloe) Lai Ka Ni (Kim) Lam Chun Kong (Charles) Tang Chi Hung

  3. Better Sleep, Better Health • Better sleep leads to better health because during sleep… • - lower metabolic rate • - lower heart beat rate • - muscle relaxation • - repair of damaged cells • - less susceptible to diseases

  4. Better Sleep, Better Health BUT, • Hong Kong citizens commonly suffer from • Insomnia • sleep apnea syndrome

  5. Objective To improve the quality of sleeping by: • Increase the chance of falling asleep • Reduce the frequency of awakening during sleeping

  6. Insomnia • Cause 1.Stress 2. Disturbance from surrounding : noise

  7. 1. U-shape pillow

  8. 1. U-shape pillow

  9. Features of the pillow • U-shape • Sound-proof material • reduce the • disturbance to sleep

  10. Features of the pillow • 3. Music player • a. theory of music therapy • b. increase the ease of falling asleep

  11. Features of the pillow • 4. Vibrator • a. promote transmission of sound • b. does not disturb the others

  12. Transmitting sounds through air and skull bones

  13. Advantages of the pillow • Reduce disturbance from falling asleep • Help relax and reduce stress by playing music • Promote transmission of sound when playing music

  14. Sleep Apnea Syndrome (SAS) • Obstructive Sleep Apnea Syndrome • Cause: Collapsing of soft tissue in the rear of throat during sleeping Picture from http://www.cemmahk.com.hk

  15. 2.Balloon Jacket

  16. Features of the balloon jacket • Air pump • - controlled by a sound sensor for detecting sound intensity of snoring

  17. Features of the balloon jacket 2. Air bag a. its inflation (gradually) turns the user to the position of side-sleep b. relieve the syndrome of sleep apnea

  18. Diagrams illustrating how the air bags work

  19. Advantages of the jacket • Reduce the disturbance caused by the air tube connected to the air pump • Provide more ‘natural’ ventilation • Allow different sleeping postures • Suit all ages

  20. 3. Demonstrations in exhibition • a. Music Therapy • - Comparing the heart beat rate of an audience during normal activity and listening to music with different tempos. • listen to music with…slow tempo →heart beat rate decreasesfast tempo → heart beat rate increases

  21. 3. Demonstrations in exhibition b. Pillow of different materials - Let audiences compare pillows which are made of different materials e.g. Memory foam, cotton etc. - Explaining the difference between them and why we chose the material to made the pillow

  22. 3. Demonstrations in exhibition c. Transmission of sound by skull bone - The following device is to demonstrate the idea:

  23. 3. Demonstrations in exhibition • d. Inflation of the air bags • A small scale model is used in order to demonstrate the method of using the inflation of the air bags to adjust the sleeper in side-sleep position.

  24. -The End-

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