Explain the studies mentioned above and tell him that while you respect his opinions that are contrary to your beliefs (and fact)? you won't PAY for his opinions that are contrary to your beliefs.
OK, no BF in bed? He can get up at night, change diapers, bring you the baby, you nurse sitting up, he stays awake through the whole process then takes the baby, burps the baby and gets it back to sleep.
How long do you think THAT will last?