Tim Peake nursing 'world's worst hangover' after six months in space

British astronaut experiencing dizziness and vertigo as he readjusts to Earth and begins intensive rehabilitation in Germany

British astronaut Tim Peake is experiencing the "world's worst hangover" after spending six months in space.

Now back on Earth at the European Astronaut Centre in Cologne, Germany, he faces three weeks of rehabilitation during which he will undergo a barrage of medical tests and maintain a strict exercise regime.