By contrast, people who slept in a straighter, more supported side position reported having less neck pain.

相比之下，采取更加直立、更有支撑的侧卧姿势的人报告说颈部疼痛更少。

One interesting thing about this study is that it specifically looked at clearance of the Alzheimer's protein Amyloid beta and found that removal of it was most efficient in the side sleeping position.

这项研究的一个有趣之处是，它特别关注了阿兹海默症患者的β淀粉样蛋白的清理，并且发现，在侧卧睡眠时，它的清理最为高效。