0 1 2 3 Tue 19 Dec 1922 Wed 27 Dec 1922 Thu 04 Jan 1923 Fri 12 Jan 1923 Sat 20 Jan 1923 Sun 28 Jan 1923 Mon 05 Feb 1923 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