0 1 2 3 Mon 05 Dec 1921 Tue 13 Dec 1921 Wed 21 Dec 1921 Thu 29 Dec 1921 Fri 06 Jan 1922 Sat 14 Jan 1922 Sun 22 Jan 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