0 1 2 3 Fri 14 May 1920 Tue 01 Jun 1920 Thu 01 Jul 1920 Sun 01 Aug 1920 Thu 12 Aug 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