Another example for potential problems at the interface between science and flight regulations is the working hours limit for pilots, which may not exceed 14 hours per day. (sciencemag.org)
In fact, it's a challenge to find anyone who doesn't complain about the 24 - hour limit in a day. (elearningindustry.com)
Introduce the bottle during one of these regular feedings, never exceeding the three - hour limit with a breastfed baby. (howtoadult.com)