0 1 2 3 Mon 04 Dec 1922 Sat 09 Dec 1922 Thu 14 Dec 1922 Tue 19 Dec 1922 Sun 24 Dec 1922 Fri 29 Dec 1922 Wed 03 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