0 1 2 3 Sat 27 Dec 1919 Sat 03 Jan 1920 Sat 10 Jan 1920 Sat 17 Jan 1920 Sat 24 Jan 1920 Sat 31 Jan 1920 Sat 07 Feb 1920 Sat 14 Feb 1920 Sat 21 Feb 1920 Sat 28 Feb 1920 Sat 06 Mar 1920 Sat 13 Mar 1920 Sun 14 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