0 1 2 3 Thu 18 Dec 1919 Thu 25 Dec 1919 Thu 01 Jan 1920 Thu 08 Jan 1920 Thu 15 Jan 1920 Thu 22 Jan 1920 Thu 29 Jan 1920 Thu 05 Feb 1920 Thu 12 Feb 1920 Thu 19 Feb 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