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2. Polysomnography - Wikipedia

   en.wikipedia.org/wiki/Polysomnography

   Polysomnography (PSG) is a multi-parameter type of sleep study [1] and a diagnostic tool in sleep medicine.The test result is called a polysomnogram, also abbreviated PSG.The name is derived from Greek and Latin roots: the Greek πολύς (polus for "many, much", indicating many channels), the Latin somnus ("sleep"), and the Greek γράφειν (graphein, "to write").

3. The best sleep masks of 2025, according to sleep scientists - AOL

   www.aol.com/lifestyle/best-sleep-masks-195532296...

   Saatva's weighted eye mask takes a two-pronged approach to improving sleep — blocking light and deep pressure stimulation. At $75, this one could also make our list as the best luxury sleep mask ...

4. Artificial gills (human) - Wikipedia

   en.wikipedia.org/wiki/Artificial_gills_(human)

   An average freediver needs 150ml of oxygen per minute while resting and 200-250ml of oxygen while swimming. Assuming the mammalian diving reflex, some divers can reduce their heartbeat significantly, down to 14 bpm, radically reducing overall body oxygen demands even down to 100ml per minute. The amount of dissolved oxygen in water varies, but ...

5. List of Fitbit products - Wikipedia

   en.wikipedia.org/wiki/List_of_Fitbit_products

   The Fitbit Charge 3 was released in October 2018. It has a heart rate sensor as well as an oxygen saturation (SPO2) sensor - however, it shipped non-functional but Fitbit eventually enabled the feature. [36] Sleep tracking has been improved from the Charge 2. [37]

6. Hello's 'Sense' sleep sensor gets voice controls

   www.aol.com/news/2016-11-01-hello-sense-sleep...

   Hello Inc. has launched a new version of its sleep sensor called "Sense with Voice," with the highlight being (wait for it) voice commands. As a reminder, it consists of a sphere-shaped monitor ...

7. Electro-galvanic oxygen sensor - Wikipedia

   en.wikipedia.org/wiki/Electro-galvanic_oxygen_sensor

   Electro-galvanic fuel cell as used in a diving rebreather to measure the partial pressure of oxygen. Two oxygen cells as used by oxygen analysers for diving gas showing commonly used connectors. An electro-galvanic fuel cell is an electrochemical device which consumes a fuel to produce an electrical output by a chemical reaction.

8. Pulse oximetry - Wikipedia

   en.wikipedia.org/wiki/Pulse_oximetry

   A pulse oximeter probe applied to a person's finger. A pulse oximeter is a medical device that indirectly monitors the oxygen saturation of a patient's blood (as opposed to measuring oxygen saturation directly through a blood sample) and changes in blood volume in the skin, producing a photoplethysmogram that may be further processed into other measurements. [4]

9. For the second year in a row, three WA counties ... - AOL

   www.aol.com/second-row-three-wa-counties...

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