# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2013-01-21 21:46:31 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/293474682991169537) Why Programmers Work At Night http://t.co/Z0nYDnG6 via @BI_Careers cc: @marthamaloney