I am not feeling___today,Maybe I need moreAwell,sleeping Bgood,sleeping Cwell,sleep Dgood,sleep

C well,sleep
sleep其实也是名词，特指睡眠
feel well是指身体的状况
feel good是指开心
以下引用
"Feel well" and "be well" refer to one's health. "Well" in this case in an adjective. This is the only use of "well" as an adjective - to mean healthy, not sick.
"Feel good" means to "feel happy."

B
feel 后面加形容词
more 后面应该加名词
sleeping做名词 是睡觉 睡眠的意思
我感到不舒服 可能我还要多睡会儿
希望能够帮到楼主