0 1 2 3 Fri 13 Mar 1931 Wed 18 Mar 1931 Mon 23 Mar 1931 Sat 28 Mar 1931 Thu 02 Apr 1931 Tue 07 Apr 1931 Sun 12 Apr 1931 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