Ok, the only other reason I notice sometimes long bouts of tiredness during morning, is when my wake up time is badly chosen. Do you wake up with an alarm? Try

Ok, the only other reason I notice sometimes long bouts of tiredness during morning, is when my wake up time is badly chosen. Do you wake up with an alarm? Try to wake up on your own before it rings. Waking up in certain cycles of your sleep will turn one into a sort of morning zombie ;)