The Night Milk Experiment: Melatonin From Cows, Not Pills

In 2005, researchers discovered that milk collected from cows at 2am contains up to four times more melatonin than daytime milk. The finding barely made a ripple. We decided to test it ourselves — with two Nigerian Dwarf goats, a 2am alarm clock, a kefir culture, and a sleep tracker. Here are the 90-day results.