0 1 2 3 Sun 10 Dec 1922 Mon 18 Dec 1922 Tue 26 Dec 1922 Wed 03 Jan 1923 Thu 11 Jan 1923 Fri 19 Jan 1923 Sat 27 Jan 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