Boost Your Health, Immunity and Energy With a Daily Dose of Sunshine

There was a problem at the United States Postal Service, and it was occurring on the night shift. Productivity had been suffering for decades, and the turnover rate was high. On top of that, late night staff were suffering more illnesses, sleep disorders, and living shorter lives than their counterparts working morning and evening shifts. While the mood couldn't have been described as depressing, it was notably downbeat by comparison.