0 1 2 3 Tue 16 Jan 1940 Sun 21 Jan 1940 Fri 26 Jan 1940 Wed 31 Jan 1940 Mon 05 Feb 1940 Sat 10 Feb 1940 Thu 15 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