information overload
Refers to the state of being overwhelmed by too much information, often used in contexts of digital media, work, or study.
Lately, I'm tired from information overload.
To avoid information overload, I reduced the time I spend watching the news.
Compound of 情報 (じょうほう, 'information') and 過多 (かた, 'excess'). The term is a direct calque of English 'information overload', which became common with the rise of digital information.