Department of Psychology, College of Science, University of Canterbury, Private Bag 4800, Christchurch, New Zealand.
Pediatrics. 2010 Nov;126(5):e1081-7. doi: 10.1542/peds.2010-0976. Epub 2010 Oct 25.
To investigate the consolidation of infants' self-regulated nocturnal sleep over the first year, to determine when infants first sleep through the night from 24:00 to 05:00 hours (criterion 1), for 8 hours (criterion 2), or between 22:00 and 06:00 hours (the family-congruent criterion 3).
This was a prospective longitudinal study with repeated measures. Parents of 75 typically developing infants completed sleep diaries for 6 days each month for 12 months. Accuracy of parent reports were assessed by using videosomnography.
The largest mean increase (504 minutes) in self-regulated sleep length occurred from 1 to 4 months. The survival function decreased most rapidly (indicating greatest probability of meeting criteria) for criterion 1 at 2 months, criterion 2 at 3 months, and criterion 3 at 4 months. A 50% probability of meeting criteria 1 and 2 occurred at 3 months and at 5 months for criterion 3. The hazard function identified 2 months (criteria 1 and 2) and 3 months (criterion 3) as the most likely ages for sleeping through the night. At 12 months, 11 infants did not meet criteria 1 or 2, whereas 21 failed to meet criterion 3.
The most rapid consolidation in infant sleep regulation occurs in the first 4 months. Most infants are sleeping through the night at 2 and 3 months, regardless of the criterion used. The most developmentally and socially valid criterion for sleeping through is from 22:00 to 0:600 hours. At 5 months, more than half of infants are sleeping concurrently with their parents.
研究婴儿自我调节夜间睡眠的巩固情况，确定婴儿何时能首次在 24:00 至 05:00 点（标准 1）、8 小时（标准 2）或 22:00 至 06:00 点（家庭一致标准 3）之间通宵睡眠。
这是一项前瞻性纵向研究，采用重复测量。75 名典型发育婴儿的父母每月完成 6 天的睡眠日记，为期 12 个月。通过视频睡眠描记术评估父母报告的准确性。
自我调节睡眠长度的最大平均增加（504 分钟）发生在 1 至 4 个月。生存函数下降最快（表明最有可能达到标准）的是标准 1 在 2 个月，标准 2 在 3 个月，标准 3 在 4 个月。标准 1 和 2 的 50%可能性在 3 个月时达到，标准 3 在 5 个月时达到。危险函数确定 2 个月（标准 1 和 2）和 3 个月（标准 3）是最有可能夜间入睡的年龄。在 12 个月时，11 名婴儿未达到标准 1 或 2，而 21 名婴儿未达到标准 3。
婴儿睡眠调节的最快巩固发生在头 4 个月。大多数婴儿在 2 至 3 个月时就已经可以整晚睡眠，无论使用哪个标准。最符合发育和社会的夜间睡眠标准是从 22:00 到 0:600 点。在 5 个月时，超过一半的婴儿与父母同时入睡。
