0 1 2 3 Sat 27 Nov 1920 Sat 04 Dec 1920 Sat 11 Dec 1920 Sat 18 Dec 1920 Sat 25 Dec 1920 Sat 01 Jan 1921 Sat 08 Jan 1921 Sat 15 Jan 1921 Sat 22 Jan 1921 Thu 27 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