1, you can face-lift;

2. It can prevent the uterus from retreating.

But relatively speaking, it is not recommended to sleep on your stomach, mainly for the following reasons.

1, because sleeping for a long time will oppress the heart and other organs, which is not conducive to systemic blood circulation;

2. Pressing the eyeball will affect vision, which will cause pressure on the eyeball and cause temporary blurred vision after waking up;

3. At the same time, women will squeeze their breasts when they sleep, which is not conducive to breast development;

4, it is also easy to cause cervical discomfort.

So it is not recommended to sleep on your stomach for too long.