Write a question about the following article.

i m better now , my mind is clearer today , i m eating properly and i feel happier . but my mind is nt clear enough to tell me that i should study . i did study abit yesterday but today i just loathed around . its impossible to study at home .

Question:
What could have happened the night before to cause this condition to occur in this individual .
OPT:
- They did n't mind their own business.
- They had to stay at home.
- They had too much booze.
- They had to study too much.