Sasaki re-ran the experiment while presenting the sleeping participants with a mix of regularly timed of the same tone and irregular beeps of a different tone during the night.

2017年12月四级真题（第一套）阅读 Section C

Yuka Sasaki and her colleagues at Brown University set out to investigate the origins of this effect.

2017年12月四级真题（第一套）阅读 Section C