First, this phenomenon should be treated according to the situation.
This way of sleeping will have different effects in different situations. Sleepiness is a major factor that determines this matter. If you are really sleepy to the extreme, you can sleep normally no matter what the environment is, and the quality of sleep will not be affected at all, so in this case, people who are not used to this way of sleeping can sleep normally, so for those who are not sleepy, they can sleep normally even if they lie in bed, so in any case, it is completely normal for this group of particularly sleepy people to drag their heads. Although some people may not understand this way, it is indeed a better way to protect their facial makeup, which should be a common thing for stars. They still have trouble putting on makeup, so they will pay more or less attention to their facial makeup, so that they can really fall asleep by dragging their heads.
Second, different people will have different results.
Many people may only fall asleep in bed, and there is no way to sleep normally in any other way. In other words, the quality of sleep is relatively poor. For people with good sleep quality, they can fall asleep normally no matter what way they just want to sleep. So it is not surprising that this group of people can fall asleep with their heads dragged. After all, the world is very big, and what happened is not unusual. We should treat this matter with a heart of discovery.
Therefore, whether this sleep mode can fall asleep needs to be treated according to different situations, and different sleep modes will be very different in different situations.