Just a quicky. My little bf babe has been a star since 6 weeks when he started sleeping thru. The last few mornings though he has started waking fully at 4am and drinks heartily then goes back to sleep till 7am. Up till now I haven't noticed any of the growth spurt milestones even though he's a hefty 8kgs and not quite 4 months. I'm being (very subtly) hen pecked by other mums to start solids but want to hold on till 6 months. Just need some reassurance that this is just a growth spurt/faze and not a sign to start solids.