DD2 is 7 months and over the last couple of weeks or so has become constipated. She's still pooing every day but they are small hardish poos and her stomach feels quite firm.
She's bf and feeds every 3-4 hours, and every 2-3 hours over night 
She started solids a month ago and it's definitely related to that. She has a mixture of puréed foods and finger foods, mainly fruit and veg but also toast, cracker bread, bread sticks etc. We offer her food 3x a day - the amount she eats varies. She also has sips of water throughout the day.
I've just given her a tummy massage and she passed a hard poo 
Her sleeping is terrible at the moment, wondering if it's all related.
What else can/should I do?