0 1 2 3 Fri 08 Dec 1922 Mon 11 Dec 1922 Thu 14 Dec 1922 Sun 17 Dec 1922 Wed 20 Dec 1922 Sat 23 Dec 1922 Tue 26 Dec 1922 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