大自然助眠美国的心理学家建议,如果你想在晚上睡一个好觉,可以每天在大自然里沉思20分钟,例如倾听流水声,观察树叶在风中晃动,云彩在空中飘动。这时,人的新陈代谢放慢,产生较少的使人兴奋的激素——可的松和肾上腺素,营养物 Sleep aids in the United States The psychologists in the United States suggest that if you want to have a good night’s sleep, ponder for 20 minutes a day in nature, such as listening to flowing water, watching leaves shake in the wind and clouds float in the air. At this time, people’s metabolism slowed down, producing less exciting hormones - cortisone and adrenaline, nutrients