0 1 2 3 Fri 12 Nov 1920 Fri 19 Nov 1920 Fri 26 Nov 1920 Fri 03 Dec 1920 Fri 10 Dec 1920 Fri 17 Dec 1920 Fri 24 Dec 1920 Fri 31 Dec 1920 Tue 04 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