Studies have indicated the scent may help people nod off faster than they normally would, and get them into the REM, or dream state, more quickly.
研究表明香气能使人们比正常状况下更快地有困意,更快地进入快速眼动或做梦状态。
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“Maybe it’s scent, a sound, a pheromone, something that doesn’t get preserved in a museum, ” says Elizabeth Clare of the University of Guelph in Ontario, a co-author of the bat study.