2. Improve immunity. Regular siesta can stimulate human immune cells and make them more active, thus improving human immunity.
3. Adjust your mood. Taking a nap in the afternoon helps to relieve people's nervousness, relieve stress, improve their mood and restore their energy.
The correct posture for taking a nap is lying or half lying.
Nowadays, many students or white-collar workers will sleep on their stomachs during their siesta. In fact, this is an incorrect sleeping position. After a long time, it is easy to hurt the spine and easily affect breathing.
If you are at home during a nap, it is recommended to go to bed as much as possible. If you are in school or office, it is recommended to install a headrest on the chair and sleep half-lying, which can reduce the pressure on the heart, lungs and face caused by sleeping on your stomach.
The best time for a nap is around 1 pm.
Generally speaking, about one o'clock in the afternoon is the best time for a nap. People usually get up at seven or eight in the morning and have experienced one point five or six hours of study and work in the afternoon. At this time, people feel tired, it is difficult to concentrate, and their vigilance is in a natural decline period.
At this time, if you take a nap, it is usually easier to fall asleep, and it is more in line with the body's biological clock. You can get better sleep quality and be more suitable for restoring energy.
The harm of taking a nap is 1. If you sleep on your stomach, it is easy to oppress many nerves in your arm. After getting up, the upper limbs are prone to numbness and sometimes feel sore.
2. It is also easy to oppress the eyeball when sleeping, so sometimes it is easy to have temporary blurred vision after a nap.
3. Long-term sleep easily affects normal blood circulation and nerve conduction, thus affecting people's normal physiological activities during sleep.