Dr.Weill claims that 4-7-8 breathing can help people fall asleep in just 60 seconds by acting as a “natural tranquilizer for the nervous system” that reduces stress and tension in the body.
exhale completely through your mouth quite forcefully so you make a “whoosh” sound.
Close your mouth and inhale quietly and softly through your nose for a mental count of four.
Hold your breath and count to seven.
Next, exhale completely through your mouth, making another whoosh sound for eight seconds in one large breath.
Now inhale again and repeat the cycle three times for a total of four breaths.