Why is it that sometimes when I wake up I feel very happy but dont know why?

Question

and sometimes when I wake up I feel very sad or disturbed but dont know why, and I dont even remember what I had dreamt?

Answer 1

i have no clue, maybe you are depress  

Answer 2

lets see you had a good night of sleep you will wake up happy and if not you will wake up sad.

Answer 3

I dont know but if u have economics period it 's true!!!!!!!!!!!!

Answer 4

you probably had a good dream or a bad one. i get that feeling too. it's your subconscious telling you that you had a really great dream or a bad one.