Top 10: election trivia to help you stay awake
In 2010 650 MPs were elected; 306 Conservative, 258 Labour and 57 Liberal Democrats.
North Warwickshire has the smallest majority in the Midlands - just 54 votes in it.
The youngest candidate in 2010 was Luke Wilkinson, an Independent candidate for Erewash. He was 18 years and 36 days old on election day.
The smallest General Election majority ever was two votes, achieved by A. J. Flint in Ilkeston North in 1931.
Turnout at the election in 2010 was 3.7% higher than in 2005 at 65.1%.
It was the first time no party had gained overall majority since February 1974.
117 seats in total changed hands last time round.
The highest number of recounts at a General Election is seven - it's happened twice including in Peterborough in 1966 where Sir Harmer Nicholls was returned with a majority of three votes.
The record for the longest count is held by Derbyshire North East - at the 1922 election the count took 18 and a quarter hours.
The first three Muslim female MPs were elected in 2010, including Shabana Mahmood in Birmingham, Ladywood.