SleepTrek3, Type III Sleep Screener, uses sensors to record oxygen saturation, pulse rate, airflow, snoring, respiratory (呼吸的) effort and body position. The screener is able to record 12+ hours of patient data using a single 3.6-volt Lithium battery and a CompactFlashCard.

　　Sleep Trek3 is available on Amazon.com for $4,000.

　　F. Dreamate Sleep Inducer

　　This gadget（小器械） looks like a watch in general. It is worn in your wrist because it works on the “sleeping golden triangle” which is located on your left wrist. This gadget uses acupressure techniques to gently massage （按摩） that spot. It doesn’t only help you to relax and then fall asleep but also is able to retune and reset the biological clock of your body. All you need to do is just wearing it for 30 minutes before bedtime. With the price $79.99, it sounds worth to try because it is said to be able to lower stress level and improve sleep quality.

　　下面是一些购物者的信息，请匹配他们要选择的新产品。

　　1. Alexander is suffering from snoring for a long time. His roommates feel annoyed and are considering moving out. He is looking for an effective way to get restful sleep and stop disturbing his roommates.

　　2. Carina wants to send a Christmas gift to her father, who often feels tired after sleepless nights. She needs something to help her father relax and fall asleep at night but she only has 100 dollars.

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