BREAKING DOWN 'Normative Economics'. Normative statements are often heard in the media because they tend to represent a theory or opinion rather than objective analysis. Normative economics is a valuable way to establish goals and generate new ideas, but it should not be used as a basis for policy decisions.
You may find yourself wondering if your baby can sleep on his stomach, especially if he appears to be more comfortable that way. To prevent Sudden Infant Death Syndrome, or SIDS, which remains a threat until your baby is 12 months of age, it is best for her to sleep on her back, instead of her stomach.
Most babies do not begin sleeping through the night (6 to 8 hours) without waking until at least 3 months of age, or until they weigh 12 to 13 pounds. However, this varies considerably and some babies do not sleep through the night until closer to 1 year.tage 3: deep sleep, the baby is quiet and does not move. Stage 4: very deep sleep, the baby is quiet and does not move. A baby enters stage 1 at the beginning of the sleep cycle, then moves into stage 2, then 3, then 4, then back to 3, then 2, then to REM.