0 1 2 3 Sun 08 Feb 1931 Fri 13 Feb 1931 Wed 18 Feb 1931 Mon 23 Feb 1931 Sat 28 Feb 1931 Thu 05 Mar 1931 Tue 10 Mar 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