A working mum of 3,my firstborn-3yrs+ recoverg fm TB meningitis,2nd-1yr+ toddler & 5mths fdg bby?

My question,how to manage well it all? work,daily to&fros to kids' daycare,house chores,feedg when with baby/pumpg milk at work,kids' endless cliničal appointments espcy my firstborn-his therapies & such,not forgetting quality time with partner & a bit of ME time. How do i keep my sanity & focus to all these, sumtimes when i look at myself in the mirror im myself am so unmanaged & sloppy...