大家都知道多吃核桃可以补脑健脑。核桃的营养很丰富,美国一项研究指出,吃一把核桃能帮你睡个好觉。美国的这项研究表明,核桃含有褪黑激素,能够帮助你入眠。褪黑激素是一种调节人体睡眠节律的激素。白天,人脑会分泌得更多。夜间褪黑激素的增加是良好睡眠的重要保障。可随着年龄的增长,许多人夜间分泌褪黑激素的能力会衰弱,这往往会严重破坏正常的睡眠模式。需要注意的是,核桃含脂肪较多,如果睡前吃太 We all know that eating walnuts brain can be brain. Walnut nutrition is very rich, a study in the United States pointed out that eating a walnut can help you sleep well. This study from the United States shows that walnuts contain melatonin and can help you to sleep. Melatonin is a hormone that regulates the rhythm of sleep in the body. During the day, the human brain will be more secreted. Increased nocturnal melatonin is an important guarantee for good sleep. With age, many people have a diminished ability to secrete melatonin during the night, which often severely disrupts normal sleep patterns. It should be noted that walnuts contain more fat, if you eat too much before going to bed