0 1 2 3 Thu 11 Jan 1940 Fri 19 Jan 1940 Sat 27 Jan 1940 Sun 04 Feb 1940 Mon 12 Feb 1940 Tue 20 Feb 1940 Wed 28 Feb 1940 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