0 1 2 3 Wed 05 Jan 1921 Wed 12 Jan 1921 Wed 19 Jan 1921 Wed 26 Jan 1921 Wed 02 Feb 1921 Wed 09 Feb 1921 Wed 16 Feb 1921 Wed 23 Feb 1921 Wed 02 Mar 1921 Wed 09 Mar 1921 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