Can long-term use of alarm clock cause disease? Is the alarm clock harmful to health?

Loud and irritating alarm sounds are easy to scare people, causing vasoconstriction, rapid heartbeat, heart disease, cerebral arteriosclerosis and myocardial infarction at home. Stimulating the bell will also make people's nervous system highly nervous, accelerate intestinal peristalsis, and may lead to indigestion, loss of appetite, constipation or diarrhea. Alarm will also affect people's mood and make people excited after waking up. After a long time, it is easy to be anxious, inattentive, depressed and even insomnia. It's best to set the ringtone to slow-paced, slow-paced music, not too loud. In addition, the alarm should not be placed beside or under the pillow, but on the low furniture at a distance of 1 m from the pillow. It is best not to use mobile phones as alarms, because in addition to the above problems, using mobile phones as alarms will increase radiation intensity.