Baby Sleep Needs Calculator

A two-nap schedule: about 2 hours awake before nap 1, 3 hours before nap 2, and 4 hours before bedtime.

Not a standard rule in pediatrics. Some parents use it loosely for equal wake windows; rely on age guides and cues instead.

Usually an adult anxiety or sleep-hygiene idea, not a baby rule. For babies, base timing on age-appropriate wake windows.

Not a formal rule. Parents use it as a troubleshooting ladder for wake windows. Follow age ranges and baby cues.

Keep routines consistent about 80 percent of the time and be flexible 20 percent. Consistency builds habits.

Not a recognized standard. Use age-based wake windows and total sleep ranges as your guide.

An adult sleep-hygiene countdown (eg: limit caffeine, food, screens before bed). For babies, focus on calm routines and timing.

Use age-based 24-hour sleep ranges and age-appropriate wake windows; adjust by your baby's cues.

Frequent yawns, red brows, fussing, arching, short naps, hard settling, and a second-wind burst.

Vulnerability of developing autonomic control plus sleep environment risks. Risk falls after 6 months.

There is no single week. Overall risk is highest between 1 and 4 months of age.

Yes, pacifier use during sleep is associated with lower SIDS risk. Offer at naps and bedtime.

By definition, SIDS has no identified cause. Modifiable risks include prone sleep, soft bedding, and smoke exposure.

Weeks 6-8 are often the peak of fussiness before things ease.

Months 2-3 can be tough; a common sleep regression appears around 4 months.

Align naps and bedtime, tank daytime feeds, use a dark cool room, avoid new sleep crutches, consider a dream feed if age-appropriate.