Color graph would make it easier to read

From Anonymous on 2016/07/21 18:42:58 +0000

Kind of confusing to read graphs. Color coded for each phase would make it much easier.

Copied from original feature request: http://urbandroid.uservoice.com/forums/264867-sleep-as-android/suggestions/15315357-color-graph-would-make-it-easier-to-read