Hi need some advice plz… My 7mo who has always been a happy baby is now suddenly cranky and clingy and keeps crying for no reason. It’s been like 2 days she’s waking up more at night and keeps crying. She’s been waking every 3hrs and wants a feed. She’s suddenly not interested in solids(which she loves otherwise).I have become a no sleep zombie because of this whole thing. Anyone knows what it might be? She doesn’t have a cold.