Some general facts, courtesy of nature –
Should I be getting screened for cancer? In all likelihood: no.
How many antioxidants should I be getting? It doesn’t matter, they don’t do anything.
Do humans have exceptionally large brains? No.
Do people learn best when taught in their preferred learning style (verbal | visual)? No, they don’t appear to.
Sleep: How much should you be getting?
Guidelines are available at the US Centers for Disease Control and Prevention, here.
Briefly, adults typically need 7 or more hours nightly; after age 65 this increases slightly.
Pregnancy and babies
Per the Centers for disease Control:
Milk can be kept at room temperature (77°F or colder) for up to 4 hours.
Breast milk does not need to be warmed. It can be served room temperature or cold.
Never thaw or heat breast milk in a microwave.
The World Health Organization recommends mothers breastfeed for the first six months of life.