Have a little drink of tea before you go to bed, so you don't get thirsty.
You should eat some more, so you don't get hungry later.
ーHave a little drink of tea before you go to bed, so you don't get thirsty.
「喉が乾かないよう、寝る前にお茶を少し飲んで。」
have a drink of tea で「お茶を飲む」
before you go to bed で「寝る前に」
get thirsty で「喉が乾く」
ーYou should eat some more, so you don't get hungry later.
「後でお腹が空かないようにもう少し食べて。」
eat some more で「もう少し食べる」
get hungry で「お腹が空く」
ご参考まで！
カナダ 
