Im only 26 dont realy drink but do smoke im a busy mum of 2 young boys although its tiering i dont think i should be feeling like this im so tierd regardless of how much sleep i get, i sleep well at night even bought a new matress hate getting out of bed but when im out and getting kids sorted feel fine but soon as i sit down im so tierd can honestly fall asleep straight away which isnt good with my 2 year running round and im just so moody try not being but cant help it feel like im just being a cow all the time. And now iv noticed my knees hurting think i have swelling on them which not sure whats caused it and now my legs and feet are hurting feels like growing pains and like my feet and knee needs cracking any1 have any ideas please thank you chell