0 1 2 3 Tue 09 Nov 1920 Tue 16 Nov 1920 Tue 23 Nov 1920 Tue 30 Nov 1920 Tue 07 Dec 1920 Tue 14 Dec 1920 Tue 21 Dec 1920 Tue 28 Dec 1920 Tue 04 Jan 1921 Thu 06 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