#TIL Since the 1990s, dairy farms have used waterbeds for cows. Cows resting longer on waterbeds leads to more sleep, which boosts milk production.
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@ilearntoday.bsky.social#TIL Since the 1990s, dairy farms have used waterbeds for cows. Cows resting longer on waterbeds leads to more sleep, which boosts milk production.