No, side-sleeping for newborns is unsafe; place babies on the back for every sleep to lower the risk of sleep-related death.

Yes, brief eye crossing in newborns is common in the first 2–4 months; constant or ongoing after 4 months needs a pediatric eye exam.

No, newborns aren’t obligate nose breathers; they prefer nasal breathing but can switch to the mouth when the nose is blocked.

Yes, newborn breathing favors the nose, though most can switch to mouth breathing briefly if the nose is blocked.

Yes, newborn sleep is often noisy due to active sleep, digestion, and immature breathing patterns.

Yes, many newborns breathe noisily; most sounds are normal, but seek care for fast rate, pulling at ribs, blue color, or long pauses.

No, newborns aren’t truly nocturnal; their body clocks are immature and split sleep across day and night.

Yes, newborns often feel warm because of active brown fat and skin blood flow, but they’re also prone to chilling and overheating.

Newborn eyesight is usually mildly farsighted (hyperopia) with blurry distance detail around 20/400.

Yes, most newborns are near-focused (myopic) and see best at about 8–12 inches.