Laughter is the best medicine. Even simulated laughter does wonders to your mood, physical and psychological behavior. It uplifts your consciousness to euphoric level.Because you brain does not the difference between simulated laughter from actual laughter though your mind does.
Sensing from every cell of your body that you are in a laughing mode, your brain released feel good harmones like endorphins, dopamine and oxytocin etc. Soothening your nervers, calming your mind and bringing peace to your heart.
Try it by yourself or with your friends and family.