Seth Roberts wrote that he noticed a similar correlation in 1995 which he hypothesized came down to "morning faces". If he saw faces in the morning, he was hap

Seth Roberts wrote that he noticed a similar correlation in 1995 which he hypothesized came down to "morning faces". If he saw faces in the morning, he was happier the next day. He went on to test this therapy on himself for many years: https://sethroberts.net/morning-faces-therapy-resources/ https://sethroberts.net/morning-faces-therapy-resources/