0 1 2 3 Fri 21 May 1915 Tue 01 Jun 1915 Thu 01 Jul 1915 Sun 01 Aug 1915 Thu 19 Aug 1915 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