0 1 2 3 Tue 11 Jan 1938 Sun 16 Jan 1938 Fri 21 Jan 1938 Wed 26 Jan 1938 Mon 31 Jan 1938 Sat 05 Feb 1938 Thu 10 Feb 1938 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