Jet lag is a common but short-lived sleep problem you can get after traveling across more than two time zones. Jet lag can make you feel out of sorts due to an abrupt change in your body's internal clock or circadian sleep rhythms. Symptoms include headaches and difficulty sleeping (insomnia).
It's a British stand-up/writer/author called Ben Elton. The photo is from the 80's - his catchphrase was "A little bit of politics". https://en.wikipedia.org/wiki/Ben_Elton
