On the power naps: I highly recommend the iPhone app Pzizz Energizer[1]. The website makes it sound incredibly corny (meditative new age music, voice suggestio

On the power naps: I highly recommend the iPhone app Pzizz Energizer[1]. The website makes it sound incredibly corny (meditative new age music, voice suggestion, binaural beats) but I find it knocks me out like a light & reliably wakes me up at the end of a 22 minute power nap. It seems to become more effective the more you use it, the audio becomes a cue to enter sleep mode. Apparently it's now free (I originally paid $10 in 2010). There is an Android app as well, but sadly it's broken on my Nexus 5 (audio cuts out after about 3 minutes) and I dearly wish the developers would fix it, because the iPhone app has been so valuable to me. (Mid 30s dev here who also prefers to work through the night, helped by very understanding clients.) [1] http://pzizz.com/ http://pzizz.com/