Just for reassurance, there has been significant research on the number of awakenings per night as being a function of age. Following a decline in the number of interruptions from 3 to 6 mths, an increase in night wakings at age 9 months was recorded. The increase in night wakings towards the end of the first year coincides with significant socio-emotional advances, which characterize this developmental stage. At 12 months of age 55% if babies were night waking!