how long before newborns sleep at night
Newborn babies sleep a lot. Expect your baby to be asleep for up to 18 hours over the course of 24 hours in his first few weeks. But he won't sleep for more than three hours or four hours at a time, day or night (Davis et al 2004) .
WebMD News Archive. Oct. 25, 2010 -- There's light at the end of the sleep-deprived tunnel for parents of newborns. By age 3 months, and sometimes as early as 2 months, most infants are sleeping through the night, according to a new study, although their sleeping hours may not exactly match those of their parents early on.