YOU ARE READING Random Facts Book Sonstiges A book of random facts that I have collected and update. #funny #know #knowledge #unique #unusual Sleeping cows 226 10 0 by professorbooks by professorbooks Follow Share An dein Profil posten Per E-Mail teilen Report Story Send Send to Friend Share An dein Profil posten Per E-Mail teilen Geschichte melden Cows only sleep for 3 hours a day