0 1 2 3 Thu 29 Jul 1920 Thu 05 Aug 1920 Thu 12 Aug 1920 Thu 19 Aug 1920 Thu 26 Aug 1920 Thu 02 Sep 1920 Thu 09 Sep 1920 Thu 16 Sep 1920 Mon 20 Sep 1920 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All