Practice the converstion.
A : I've been so tired lately. I never seem to have enough energy. Should I join a gym?
B : Gyms can be expensive. There are simple ways to exercise at home.
A : Like what?
B : If I were you, I'd climb the stairs or dance to music. You should do something active that you enjoy. Are you getting enough sleep?
A : Sure. I sleep about the hours a day.
B : That's too much. Getting too much sleep can make you feel tired. You should try to sleep eight hours a day.