DS2 is 6 weeks this Saturday. He feeds quite well and had ut on weight at last weighing (@4 weeks) and due to be weighed next wed. He produces plenty of wet and pooey nappies. However I am so exhausted (have DS1 with SN and sleep issues as as well) that I keep sleeping through the alarm I set to wake me up to feed DS2. DS2 last night fed DS at midnight set alarm for 3 am didn't wake until 4 then set alarm for 6.30 slept until 8. So effectively DS has missed a feed. Do they catch up during the day or is this something I should be concerned about