1. Progressive Relaxation
The most popular theory out there, progressive relaxation easily tops the list of 16 science-backed tricks to fall asleep fast while lying in bed , as it was mentioned in every list that we saw. You need to tense and then relax each muscle in your body, starting from the toes and then moving upwards. You should tense them for 5 seconds and then relax them for 30 seconds which helps your body to relax and hence, fall asleep.
