0 1 2 3 Fri 04 Dec 1931 Fri 11 Dec 1931 Fri 18 Dec 1931 Fri 25 Dec 1931 Fri 01 Jan 1932 Fri 08 Jan 1932 Fri 15 Jan 1932 Fri 22 Jan 1932 Wed 27 Jan 1932 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