Vladimir Putin's hard-core daily routine includes hours of swimming, late nights, and no alcohol

Want to make Vladimir Putin smile?

Give him a badly behaved dog and a breakfast of quail eggs.

That's according to a 2014 profile of Putin by Newsweek's Ben Judah, who spent three years researching the foreign leader for his book, "Fragile Empire: How Russia Fell in and Out of Love with Vladimir Putin."

The Russian president has been in the US news lately due to - among other things - an investigation into President Donald Trump's campaign, tensions around Syria, and his reaction to the US pulling out of the Paris climate accord.

But at home in Russia, what's his life really like?

Take a look at a day in the life of Vladimir Putin: