There is a so-called "4-7-8" method:
You must first quietly inhale the air through your nose for 4 seconds, then hold it for 7 and slowly exhale through your mouth for 8.
There can be many reasons for insomnia. The first step is to review your daily routine. Perhaps you get up late and therefore do not want to sleep at night. Or you don't get tired enough during the day. Do not sleep during the day, it has a bad effect on night sleep. Turning off your computer a few hours before bed will allow you to rest. If you have the right daily routine, there are some tips to help you fall asleep.
Before going to bed, ventilate the room.
The fact is that during the process of falling asleep, the internal body temperature decreases, and why the sooner it happens, the sooner you fall asleep.
No need to go to bed with electronics.
Taking a phone, tablet, laptop in your hands, you can immerse yourself in the process for a long time and lose precious time for sleep ... The brighter screen light will keep you on your toes.
Contrary to popular belief, it is not always good to go to bed on an empty stomach. The brain will send you a signal that now is not the time to sleep, but the time to eat. Walnuts, buns, milk, fish help to sleep well.
Ritual of falling asleep.
Some people have their own ritual before bedtime. Someone is walking down the street, someone is relaxing in a hot bath. For example, I started listening to audiobooks, and not in order to fall asleep, but because it was interesting to me. Now it is extremely difficult for me to fall asleep without reading the announcer.