0 1 2 3 Sun 19 Feb 1933 Wed 01 Mar 1933 Sat 01 Apr 1933 Mon 01 May 1933 Sat 20 May 1933 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