0 1 2 3 Sat 27 Mar 1920 Sun 04 Apr 1920 Mon 12 Apr 1920 Tue 20 Apr 1920 Wed 28 Apr 1920 Thu 06 May 1920 Fri 14 May 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