0 1 2 3 Thu 15 Jan 1931 Fri 23 Jan 1931 Sat 31 Jan 1931 Sun 08 Feb 1931 Mon 16 Feb 1931 Tue 24 Feb 1931 Wed 04 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