我们可以训练自己不需要那么多睡眠吗？

Can we train ourselves to need less sleep?

youdao

通过训练自己保持乐观的态度，你会获得更多的勇气以面对困难。

By training yourself to look on the bright side, you will gain more courage to face difficulties.

youdao

她建议你每天写下三件当天发生的积极的事情，以此训练自己关注自身的好运气。

She recommends you train yourself to pay attention to good fortune by writing down three positive things that come about each day.

youdao

Some people can train themselves to do it, but it's contrary to the way the brain wants you to behave.

一些人可以训练自己做到这些,但这违背了大脑的意愿

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

You might have trained yourself to do that and then maybe-- there may be cultural reasons why you like broccoli better then Haagen-Dazs lets say.

你可能已经训练自己去做这些,可能出于文化原因,你喜爱西兰花甚过哈根达斯

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选