0 1 2 3 Thu 11 Nov 1920 Thu 18 Nov 1920 Thu 25 Nov 1920 Thu 02 Dec 1920 Thu 09 Dec 1920 Thu 16 Dec 1920 Thu 23 Dec 1920 Thu 30 Dec 1920 Thu 06 Jan 1921 Sun 09 Jan 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