The mind and body go through several different stages during the course of sleeping and one of this stage is Rapid Eye Movement (REM) sleep. REM sleep is a time of interesting activity. The heartbeat quickens, body temperature lowers, the eyes move rapidly from side to side and other ...
Stage 2 —Your body remains in a light sleeping state as your breathing and heart rate slow even more. Muscles also relax more as your body temperature drops and your eyes stop moving. Stage 3 —In stage 3 of non-REM sleep, your breathing and heartbeat sink to their lowest rates. This...
Sleeping pills should never be taken except when suggested by【35】. (41) A.wished B.expected C.needed D.wanted 点击查看答案 第3题 What's Happening While Sleeping? Sleep is very important to humans. The average person spends 220,000 hours of a lifetime sleeping. Until about thirty years...
Allow waking up a sleeping node remotely at the end of a sleeping cycle Allow powering on each connected sensor only while the node is awake to save battery Report battery level periodically and automatically or on demand Calculate battery level without requiring an additional pin and the resistors...
67. While sleeping, some water animals tend to keep half awake in order to ___. A.alert themselves to the approaching enemy B.emerge from water now and then to breathe C.be sensitive to the ever-changing environment D.avoid being swept away by rapid currents 68.By...
When did we start our trip? Ordinary cares drift away as you idly drift along a stretch of green flat water. The Canyon Turns Tough But don’t get too comfortable; this is the desert after all. That long peaceful stretch of green can transform in a heartbeat into a big, frothing, bo...
Before the test, the patients were equipped with a wearable sensor to detect the R-R interval (RRI) of an electrocardiogram [49] and a sphygmomanometer. They were instructed to lie on a bed approximately 40 cm above the floor without talking and sleeping during the tests. After confirming th...
They were instructed to lie on a bed approximately 40 cm above the floor without talking and sleeping during the tests. After confirming the operation of the measuring devices in the supine position (> 2 min), the patients’ BP (sBP and dBP) and HR were measured. In the supine ...