0 1 2 3 Sat 16 Dec 1922 Thu 21 Dec 1922 Tue 26 Dec 1922 Sun 31 Dec 1922 Fri 05 Jan 1923 Wed 10 Jan 1923 Mon 15 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