以前发现了不同的技巧来防止仰睡。
There were different techniques invented to prevent sleeping on the back.
一定要选择对你最好的姿势，无论是侧睡、仰睡还是伏睡。
Always choose the position that works best for you, whether you're a side, back, or stomach sleeper.
而仰睡可以预防面部组织的水分积压，从而防止面部水肿。
Lying on your back also helps prevent fluid buildup in facial tissue, so you avoid that puffy look.
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