Nighttime Sleep

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks

Across the total sample, infants who self-soothed to sleep and had a bedtime at 8 PM or earlier slept on average 78 minutes longer at night at 40 weeks than those who did not self-soothe and had a lat

Effect: improvement; 78 minutes longer nighttime sleep at 40 weeks