I just brought home my twin infants from the hospital's NICU )they were born at 32-and-some-change weeks). Everyone is healthy and doing well, but this waking up every 3-4 hours is pretty draining. I expect that polyphasic sleep is not... (more)
bi-phasic is common among humans (http://www.marksdailyapple.com/biphasic-sleep/) but it has to be natural for it to be beneficial. Get the sleep while you can, in 6-98 weeks you will be past this stage!