By government decree the heating in Odessa's apartment blocks was turned off last week. This is good during the daytime - far better than Riga, where April was a month of high bills, short sleeves and wide-open windows - but leaves me with freezing cold nights where I struggle to get any sleep.
My answer to counting sheep is the BBC World Service. It goes on at four in the morning, when everything else has failed. By the time the on-the-hour headlines come back round, I've usually drifted off.