"fatigue acne"

A Breakout Right After Pulling an All-Nighter? The Scientific Reason Lack of Sleep Harms Your Skin

Working through the night, cramming for exams, or staying up late chatting with friends often leads to an unwelcome surprise the next morning. Looking in the mirror, you might see dull, flaky skin, dark circles under your eyes, and sudden breakouts on your cheeks or forehead. There are clear scientific reasons why your skin appears noticeably worse the day after missing sleep.