Neurology

Neurology

When does the ability to sleep through the night usually develop in infants?

A. 2-4 weeks old

B. 3-6 months old

C. 9-12 months old

D. 15-18 months old

Answer: B

The ability to sleep through the night usually occurs between 3 to 6 months of age, although some children may take longer. Most infants age 2 to 4 weeks old will continue to wake through the night to feed. By the time they are 9 to 12 months and 15 to 18 months, most children have had periods where they sleep through the night, although they may have periods of nighttime waking with teething or illness.

Reference: Bhargava S. Diagnosis and management of common sleep problems in children. Pediatr Rev. 2011;32(3):91-98. Pubmed ID: 21364012.

Which of the following describes the expected sleep pattern of a 24-month-old child?

A. Sleeps approximately 16 to 20 hours per day, wakes every 1 to 4 hours

B. Sleeps approximately 14 to 15 hours per day, 2 naps per day

C. Sleeps approximately 12 hours per day, 1 nap per day

D. Sleeps approximately 10 to 11 hours per day, no nap

Answer: C

Newborns sleep approximately 16 to 20 hours per day, waking every 1 to 4 hours, often to eat. Infants (2-12 months old) sleep approximately 14 to 15 hours per day with 2- to 4-hour naps usually two times per day. Toddlers (12-36 months) sleep approximately 12 hours per day with one nap. Preschool-aged children (3-6 years old) sleep approximately 11 to 12 hours per day and often stop napping around age 5.

Reference: Kass LJ. Sleep problems. Pediatr Rev. 2006;27(12):455-462. Pubmed ID: 17142467.

Which of the following describes the expected sleep pattern of a 4-week-old newborn?

A. Sleeps approximately 16 to 20 hours per day, wakes every 1 to 4 hours

B. Sleeps approximately 14 to 15 hours per day, 2 naps per day

C. Sleeps approximately 12 hours per day, 1 nap per day

D. Sleeps approximately 11 to 12 hours per day, no nap

Answer: A

Newborns sleep approximately 16 to 20 hours per day, waking every 1 to 4 hours, ...