Familiar smells can help to form memories in your sleeping brain, improving your performance at simple learning tasks.
相似的气味能帮助处于睡眠状态的大脑形成记忆，提高简单学习的效率。
2
Objective to study the sleeping quality of new students of junior middle school and its related factors, and to provide information for improving their sleep quality.
目的了解重点初中新生的睡眠质量及其相关因素，为提高新生睡眠质量的研究提供资料。
3
Pay attention to draught, sleeping early, doing sports more, and improving your resistibility. If you are ill in America, you will be in trouble.