但气味真的能像普通闹钟一样把你叫醒吗?虽然我们很厌恶闹钟的声音,但其实对于大部分沉睡者来说它们才是最有效的闹钟。罗兰德宣称气味闹钟和发出声音的闹钟一样好,内部测试表明他的气味闹钟能在两分钟内叫醒99%的人。
While the Sensorwake could be as effective as Rolland claims, previous research on the rousing abilities of scents hasn't been so positive. A 1997 study by fire and rescue workers in Irondale, Alabama was designed to test whether adults woke up in the presence of smoke, water and citrus odours. Of 10 sleeping participants, only two woke up when exposed to the aromas.
气味闹钟的效果如何我们尚无法判定,不过先前有研究发现气味叫醒人们的能力不容乐观。1997年一项测试了阿拉巴马州艾昂戴尔消防员的研究,利用烟味、水和柑橘味来叫醒他们。在十名参与者中,仅两人在闻到味道之后醒了过来。
A subsequent study at Brown University in 2004 also found that scents were not particularly effective at waking sleepers. Pepperment and pyridine scents were presented in different concentrations to sleepers at different stages of sleep. The odours scored mixed results, while audio tones played over a speaker were significantly more effective at rousing the sleepers, leading the researchers to conclude that "human olfaction is not reliably capable of alerting a sleeper".
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