0 1 2 3 Wed 09 Dec 1931 Wed 16 Dec 1931 Wed 23 Dec 1931 Wed 30 Dec 1931 Wed 06 Jan 1932 Wed 13 Jan 1932 Wed 20 Jan 1932 Wed 27 Jan 1932 Wed 03 Feb 1932 Tue 09 Feb 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