BPOs have been called India's sunshine industry, but working 24x7, long after the sun has set, it could be taking the light out of many young lives and that's what doctors are warning. Ajay suspects his three-month-old is beginning to adjust to BPO timings. She wakes up by the time he gets home at around 3:30 am in the morning. So for Ajay, catching up on sleep has become even more erratic.