in real life, many students lie on their desks in the classroom and rest their heads and arms because they can’t go home at noon. But taking a nap with hands instead of pillows has three major hazards.
harm I
due to lying on the arm to sleep, many nerves are oppressed, and they are often anxious and restless during nap.
harm 2
because the eyes are compressed when sleeping on the stomach, temporary blurred vision usually occurs after nap. If long time, in the course of time, it will cause excessive intraocular pressure and damage the vision. As a result, the eyeball will expand and the incidence rate of eye will increase. It is more harmful for patients with mild myopia, myopia or students wearing contact lenses.
harm III
sleep on your stomach. Long term compression of your arms and face will affect normal blood circulation and nerve conduction, making your arms and face numb or even sore. If you don’t pay attention, it will evolve into local nerve paralysis or facial deformation over time.
if you can’t go home for a nap, lie down on the desk as much as possible instead of sleeping on the desk. In addition, don’t take a nap immediately after lunch. The nap time should be half an hour.