Although, good sleep = suitable mattress pillow+high-quality sleeping environment+sufficient sleeping time+correct sleeping posture.

All four items are indispensable.

But obviously, improving the level of sleep posture plays a very important role in improving the quality of sleep.

For most people, the most recommended sleeping position is: sleeping on your back.

Because in this position, the muscles of the back and neck are the most relaxed, which is conducive to falling asleep.

Of course, as mentioned above, there are four elements of a good sleep. Simply sleeping on your back requires a suitable pillow to achieve the best sleep state.

attention please

It's under the neck

It's under the neck

It's under the neck

Then, you can: