good morning. new to this chat i would like to know if anyone could help me.my hubby as blood cancer he as been on hydroxycarbamide 500mg.2 pills mon till fri, 3 pills sat sun, but all he does of late is sleep he can sleep about 12 hours to 13 hours a day, is this normal. getting worried for him now, we have no life now. cant make plans because hes to tired.