0 1 2 3 Tue 13 Jan 1920 Tue 20 Jan 1920 Tue 27 Jan 1920 Tue 03 Feb 1920 Tue 10 Feb 1920 Tue 17 Feb 1920 Tue 24 Feb 1920 Tue 02 Mar 1920 Tue 09 Mar 1920 Tue 16 Mar 1920 Sat 20 Mar 1920 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